Why Hackers Attack Your Computer – And What You Can Do About It

“Why would a hacker try to get into my computer? I don’t have anything they’d want!”

As an expert in small business and consumer security, this is the number-one question I’m asked. The answer? Money.

Earning Big Bucks The Hacker Way
Cybercrime is a multibillion-dollar business. Hackers can earn up to $100,000 per day with these scams. That kind of money certainly sounds tempting, doesn’t it? Poor economic conditions and high unemployment make hacking an attractive, if illegal, option both in the U.S. and abroad.

Installing viruses on your computer, stealing your password, hijacking your accounts – all these things bring in some seriously big bucks.

So how do hackers earn their ill-gotten gains? By taking advantage of you in two ways:

1. Commandeering your computer
Installing viruses on your computer allows criminals to control it. They can do everything from redirecting your web searches to capturing your passwords and credit card numbers. They may also install adware from which they get a kickback.

Why do they want to control your computer? Because it’s far more useful to command an army of ten thousand computers than it is to do their dirty work with one. It also creates layers of confusion between hackers and law enforcement.

Even better, they can sell access to their thousand-bot army to other scammers who might want to pull off fake pharmaceuticals, pay-per-click surveys, or 419 scams.

Plus, it gives them ammunition for…

2. Stealing your online identity
If you receive a message from Joe Neverheardofhim, you’re unlikely to click the link or attachment. But if you get a message from your best friend who says she’s stuck overseas and got mugged and desperately needs you to wire money, you might do it.

That’s a real-life scam, by the way. See the Snopes article here.

People are more likely to click on links from people they know. Hackers take advantage of that by breaking into legitimate accounts: email, Facebook, Twitter. If you see a weird message from a friend, hesitate before you click – they may have been hijacked.

Hijacking accounts feeds back into commandeering computers, which leads to hijacking accounts. It’s a perfect world for the hackers, in which their every action can have multiple lucrative rewards.

How To Protect Your Computer
The best way to prevent yourself from becoming a victim is to protect your computer. Here are some more Tech Tips to get you started:

Do you have questions about how to protect your computer from hackers? Ask in the comments! You can also subscribe free to Tech Tips by email for more computer news, security tips and social media advice!

Tools To Protect Your Smartphone From Malware

Do you run antivirus on your smartphone? This month in The Northwest Herald, I talk about the exponential increase in malware on smartphones and what you can do to protect yourself. From the article:

Yet if I were to ask if you run antivirus on your phone, you would probably say no. Nobody mentions malware when you buy a phone, they’re too busy extolling the fancy features. All those cool apps are fine until you realize some virus has been silently snooping on your activities.

Here are links to the latest options for mobile antivirus. The available options are changing all the time as new devices and systems are introduced. I’ve also included links to some of my previous Tech Tips articles which can help you secure your smartphone.

Tech Tips articles on smartphone security

 Mobile Antivirus Options

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Stop Integrating My Computer With Social Media!

Tech companies need to remember that consumers are people with brains and don’t need to be force-fed technology through the virtual equivalent of a baby spoon. Mountain Lion, Apple’s latest operating system for Mac (OS X 10.8), boasts improved Facebook integration. In my mind that’s not a feature, it’s a reason to stay away.

I DON’T want my operating system to be integrated with social media. The operating system is the brains of my computer. It doesn’t need to check into Facebook or Twitter. I may run apps on top of it that do need to check into Facebook or Twitter, but that’s my decision. I don’t want my system software making that decision for me.

I want my system software stupid. I don’t want it to know a damn thing about the Internet except how to connect to it. To put it in IT terms, I don’t want my OS thinking past the lowest layers of the OSI model. I certainly don’t want it making decisions at the presentation and application layers. Let it merrily chat away via TCP/IP without bothering to look inside those data packets, and let the programs I choose do that work.

I could say the same for my iDevices. I don’t want to use iCloud. I don’t want to use FourSquare. I don’t want to check in every five seconds. As I said in a previous rant er… post, I certainly don’t want all my data syncing to some unknown datacenter when all it needs to do is go two inches from device to computer.

There’s such a thing as too much integration. Everything doesn’t need to work seamlessly with everything else. If I wanted an operating system based on Facebook I would do all my work with Facebook apps. If I wanted to use cloud computing I would sign up for cloud computing. But if all I want is to work locally on my own computer, I should be able to do that too.

What I want is an operating system I can secure with third party tools (sayonara, Windows RT!), upon which I can run the programs of my choosing.

Of course, I could always run Mountain Lion and simply not give it my Facebook credentials, but that’s not the point. The point is that the capability of integration is there. The point is that if something happens – if I input my password in the wrong dialog box, if a virus presents me with a malicious login, if one of Apple’s preferences “accidentally” gets switched on – then suddenly I am sharing a whole lot of data with the world that really shouldn’t be shared.

As a computer expert, I know the best ways to avoid that. But most people don’t. The average person, right now, is streaming data to Facebook, Twitter, iCloud, and who knows what else, without even being aware of it. And that’s BEFORE the latest integrations between social media and our system software.

Stop sacrificing security for convenience, because it’s not the tech companies that pay the price, it’s the consumers. We’re the ones who get our bank accounts hacked, our email hijacked, our identities stolen, our lives ruined. That’s not exaggeration, that’s the result of a multi-billion-dollar cybercrime industry.

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Don’t Use Facebook As Your Personal Planner

Those Facebook games that have you put in your mother’s maiden name or your grandfather’s birthday? They’re siphoning your info. It’s like waving a lollypop in front of a kid while you steal stuff out of their pockets. “Play our cool game! Oh, and thanks for all the personal details, sucker.”

Personally identifying information, or PII, is the data that identifies YOU as YOU. Birthday’s aren’t just birthdays anymore, they’re the keys that can unlock your bank accounts. So are maiden names, place of birth, the schools you went to, the people you’ve known.

Games People Play
Think about the security questions you’re asked to fill out on many web sites. If you’re answering the questions honestly (and there is something to be said for security through lying), the answers can be gleaned from your FB page.

Some of these “games” come in app form, while others are simply text-based chain letters: “Hey everybody, let’s play place of birth – post where you were born!” Consider the things you might share on Facebook: birthdays, calendar, contacts, vacation plans, photo album. That last one freaks me out the most. I do NOT use Facebook as a family photo album and I highly recommend that you don’t either, especially if you have kids. There are too many creeps out there.

Real-World Consequences
If you don’t believe this is a major problem, try these examples on for size:

Hackers Invade Accounts By Guessing Security Questions
This hack of Mitt Romney’s Hotmail email and Dropbox accounts is a great example of how answers to security questions can be gleaned. Amusement value: one of the questions was “pet’s name” which thanks to the infamous “car rooftop” incident is known to one and all as Seamus. Oops!

Similarly, Sarah Palin’s Yahoo! account got hacked during her campaign through correctly answering the security questions based on publicly available info.

Thieves Use Facebook To Rob Vacationers’ Homes
People posting their vacation plans to Facebook should do so after the fact. There are many instances of crooks using Facebook to scout vacant homes for theft. You can read about a few of them here and here.

If you think your Facebook friends would never do this to you, bear in mind that criminals create fake Facebook profiles that can be quite convincing. You might have a few ringers in your own friends list as we speak.

Facebook Doesn’t Delete Your Data
Even if you remove your information, there’s no guarantee it’s actually deleted. Facebook has long been criticized for not deleting data such as photos upon user request. Once you’ve posted something to Facebook, you can assume it’s there permanently.

Not only should you be concerned about what you are posting, but also what your friends are posting. If your friends add your birthday or other personal details without permission, ask them to remove it. While you’re at it, you could point them to this article and explain the dangers of too much online sharing.

An Uncontrolled Experiment
The truth is that these companies have not proven that they can be trusted with our data. There’s no history for this, no fossil record of what happens when we entrust our lives to the Internet. We are collectively engaging in a new human experience and we have no idea how it’s going to shake out.

So my advice is caution. Don’t use Facebook as a personal planner. That’s not what it’s for and you are endangering yourself and your friends by using it that way. Facebook is for sharing things with people, and the company has no intention of keeping anything you put on there private. There are other online tools for that purpose, although I also have concerns about those too, considering recent incidents like the Apple/Amazon customer service hack… but I digress.

The good news is that you can take advantage of Facebook’s viral nature to spread the things you want known far and wide: your business, charities you believe in, causes you think are just… and of course LOLcats and, in my case, Doctor Who jokes. But don’t put anything on there that you wouldn’t want made public, or you may live to regret it.

Ten Ways To Tell If Your Computer Is Infected With A Virus

Ever get that sinking feeling that something’s wrong with your computer? Here are ten ways to tell if your computer is infected with a virus.

Run a virus scan
A bit obvious, isn’t it? While you’re at it, make sure your antivirus program has been updated recently. If you haven’t bought a new version in a few years, now’s the time.

Run a second virus scan with a different program
Antivirus programs sometimes come up with different results. It’s a good idea to scan with a second program to pick up anything the first one left behind. However, you shouldn’t try to run two antivirus programs concurrently; they’ll conflict with each other. I like free programs Malwarebytes for PC and Sophos Antivirus for Mac.

Watch your computer’s behavior
Is it slower than usual, crashing, having a hard time redrawing the screen? These can all be signs that viruses are running in the background.

Monitor active programs
If a virus is running in the background, it may show up in the list of active programs. You can then click on it and End Task (Windows) or Force Quit (Mac). Bear in mind, though, most viruses will restart on reboot, and some will even regenerate on the spot no matter how many times you quit them.

  • Windows XP
    Ctrl-Alt-Delete, then click Task Manager
  • Windows Vista/7
    Ctrl-Shift-Esc
    or right-click the taskbar and click Start Task Manager
  • Mac OS X
    Option-Cmd-Escape (the Force Quit menu)
    or open a Terminal window and type ps -aef

Check your Web browser extensions
Browser extensions provide additional functionality on the Web. Some are terrific tools while others are sneaky little devils that serve you ads, slurp your data, and otherwise spy on you. Here’s how you can check your browser extensions.

Check your Sent folder
If your email is spewing spam, it may show up in your Sent Items folder. Viruses often commandeer email accounts to send spam.

Check your Facebook and Twitter
If there are all sorts of weird links on your Facebook wall that you didn’t post, your account may have been hijacked. And if that’s the case, it may have happened through a virus infection on your computer.

Start in Safe Mode
If your computer is so confused it won’t work properly, you can boot into Safe Mode which may allow you to diagnose the problem.

  • Windows XP, Vista, 7
    Hold down F8 at reboot (before the Windows logo)
  • Mac OS X
    Hold down Shift at reboot

Ask the Internet
Fortunately we don’t have to compute in a vacuum. If you think you’re infected with a particular virus, do a Web search on it. You’ll often find removal instructions and links to tools (just make sure those tools are legit and not themselves viruses in disguise).

Inspect your other computers
If one is infected, it’s likely the others are, too. You need to keep all your computers secure, even if they’re old or you don’t use them often.

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How To Decide If You Should Upgrade To Windows 8

Microsoft will release Windows 8 this fall. Whether you’re on Windows XP, Vista, or 7, you’ll have to decide if you want to upgrade. My latest tech column in The Northwest Herald talks about this new version of Windows and how to evaluate a potential upgrade.

Windows 8 has a radically different look and feel, which will be the main reason people decide whether they want it or not. Win8 is designed for tablets and we’re not quite sure how that’s going to translate to desktops and laptops.

As I said in the column, my advice is:

Windows XP
You should plan to upgrade – but if you can’t stand Windows 8, you can go to Windows 7. Just please, for the love of sanity don’t linger on XP unless you absolutely have to (usually because of software that can’t run elsewhere).

Why? Because Windows XP is a ticking time bomb. It can’t be properly protected from viruses because it’s old and doesn’t run the latest versions of software like antivirus and Web browsers. Bear in mind, though, you may have to buy a new computer to run Win7 or 8.

Windows Vista
I’m so sorry you got stuck with this dead-end piece of junk. Go to Win8 or Win7 based on your preference. You could stick with Vista but it’s so much buggier than 7 you’ll probably want the upgrade. Not only that, Microsoft wants to pretend Vista never existed so the likelihood of decent support in the future is not high. The good news is, most Vista-capable PCs can run Windows 7.

Windows 7
If you prefer the look of Win7 over 8, stay where you are. If you want the new features or security improvements and you don’t mind learning the new interface, feel free to try Win8 – but I would wait a few months to see how the bugs shake out after release.

If you buy a new Win7 PC now, Microsoft has an upgrade offer. You’ll find video and screenshots about the new look on Microsoft’s Web site. And you can find information about the multitasking funkiness I mentioned in the column here, but be prepared to smack your forehead in disgust at Microsoft’s hubris.

Try the Windows 7 Upgrade Advisor, it’s a super-useful tool and will tell you if your hardware can take it. There isn’t an Upgrade Advisor for Win8 - Microsoft explains why.

As I said in the column, the best thing you can do is check out Windows 8 for yourself. Here are some resources to get you started.

 

 

Apple & Amazon Customer Service Hacked: Can The Cloud Be Trusted?

Once your data is in the cloud you lose all control of it. A journalist’s online persona was recently hijacked through hackers’ clever and scary manipulation of Apple and Amazon’s tech support. This could happen to any of us, at any time.

A description of the incident from the journalist, Mat Honan, who works for Wired:

In the space of one hour, my entire digital life was destroyed. First my Google account was taken over, then deleted. Next my Twitter account was compromised, and used as a platform to broadcast racist and homophobic messages. And worst of all, my AppleID account was broken into, and my hackers used it to remotely erase all of the data on my iPhone, iPad, and MacBook.

The Price Of Cloud Computing?
This, folks, is the kind of thing that terrifies me. Years ago I wrote a post called Cloud Computing For Consumers Makes Me Cringe, in which I expressed my concerns over the proliferation of consumer tech based on the cloud. I’m far from the only one; the tech industry has been at each others’ throats for years. Some see the cloud as too vulnerable, while others say it’s a vital (and inevitable) resource.

It seems our fears have been realized. Like everyone else I want the fun new features of today’s devices, but I don’t trust the cloud, especially when I hear about incidents like the Apple+Amazon debacle.

I’ve been in tech support far too long to be fooled. I know other incidents are happening that we aren’t hearing about. I know my data is residing in places I don’t intend. I know that in some ways I’m helpless to stop that, but I can also choose which technology to embrace and which to reject. And I reject the idea that I need a distant datacenter for even the most minute of daily tasks.

Is It Too Late?
Of course that’s a largely symbolic statement. In reality, I’m already using the cloud in ways I don’t like, but was forced to. We all are. What scares me is that most people don’t know how cloud-dependent the world is becoming. They think they’re not using the cloud even when they are.

Apple leads the pack with iCloud. You can’t sneeze on an Apple device without it asking if you want to use iCloud. Soon you’ll have to use Apple’s cloud service even if all you want is to sync the basics like calendar and contacts. But once transferred, our data is not necessarily protected, as our poor Wired journalist learned. From an article about the incident:

On Aug. 3, an “epic hack” compromised technology journalist Mat Honan’s Twitter account. Along the way, the attacker–known as “Phobia”–also managed to remotely erase Honan’s Apple laptop, iPhone, and iPad. Furthermore, Phobia did it by socially engineering–as in, tricking–customer service representatives at Amazon and Apple, allowing him to gain sufficient information to first access Honan’s iCloud and Gmail accounts.

Manufacturers Need To Step Up Security
Granted, Honan did a few things that aided the criminal. He linked accounts together (notably Twitter), he didn’t activate all the security available on his devices, and he didn’t have good backups. But, in my opinion, that’s as much the fault of the manufacturers as it is the consumer.

We’re encouraged to link accounts. We’re encouraged to take advantage of all the shiny new features. There is never any fine print that says, “oh, by the way, if a hacker makes it this far, enabling this feature means you’re screwed.” And it’s not always clear that “turn this feature on” means “your data will be transmitted”.

I also lay blame at the manufacturers’ feet for their EpicFail on internal security practices that would have prevented the criminal from gaming the system to gain the information needed to break in.

The journalist was technically savvy and this still happened. Imagine how much harder for the average person! I know because I’ve spent most of my career helping small businesses and consumers with just this sort of problem, and there are few good solutions.

It’s not just Apple and Amazon. This is an industry-wide problem that the industry hasn’t addressed. Vendors are quick to point out new features: more speed, more memory, bigger, better, faster… but the consequences are not always recognized until after the technology has been embraced by the public.

How You Can Protect Yourself
Which means you, dear consumer, are on your own in deciding which technology is safe or unsafe. This is harder than it sounds. Like everything else in our advertising-driven world, some of the information you’ll read is sponsored by the people who sell the products. You have to sift, filter, and decide for yourself. (This blog, for the record, is sponsored solely by me.)

Personally I think it’s absolutely stupid that my modern iPad can’t do what my creaky old PalmPilot still can: sync data via a physical cable. Tech manufacturers need to GIVE US AN OFFLINE OPTION instead of forcing us to use the cloud because they obviously can’t secure the cloud.

I’m also looking at you, video game manufacturers. I chose not to play Diablo III specifically because it requires an always-on connection to the servers. Gee, now Blizzard is telling the Diablo and World of Warcraft players that those servers were hacked and their personal info was stolen. I like a good fantasy RPG as much as the next geek but not at that cost.

The industry is throwing us at the cloud because cloud computing makes it easier for them to write the programs and provide support for them. If everything’s in the cloud they don’t have to deal with multiple computer configurations, multiple devices, and tons of tech support headaches. “Hi, I’ve got a Palm V connecting via serial to a Pentium II running Windows 98, and somehow it won’t also connect to my new Windows 7 laptop…”

It’s my firm belief that every device should have a setup wizard that walks you through securing that device. This might not stop people gaming the system but it makes it a lot harder for them to get very far with your data, even if they do manage to break into your accounts.

The cloud may be easier for vendors, but not always so for consumers. My advice is to use it at your own risk.

Image: FreeDigitalPhotos.net

How To Delete Your Old Email Accounts

Did you know your old email account may be spewing spam and malware? In today’s The Northwest Herald I talk about the importance of deleting old accounts:

It happens all the time. You move to a new email address but leave the old one intact; you set up a Yahoo! or Gmail account but never get around to using it. We assume these accounts wait patiently for us. On the contrary, they cower, helpless, waiting for the first hacker who can figure out the passwords.

Unfortunately many people use weak passwords, especially for throwaway accounts. We’ve seen examples of this with a rash of recent security breaches at Yahoo!, LinkedIn, and eHarmony, among others.

These breaches reveal that many people use simple, plain-text phrases like “linkedin”, “mypassword”, and “123456″. People also use the same two or three passwords in rotation. What are the chances some old account of yours uses a password you’ve reused elsewhere?

Here are the additional resources I mentioned in the article. You might find these related Tech Tips articles helpful:

Here are links from some of the more common email providers about how to delete accounts. Note that these links may change without notice, and that account deletion policies vary by provider. Consult the individual site for more information. I’m providing the exact URLs so you can see where you’re going.

And, some social media ones:

Image: FreeDigitalPhotos.net

The DNSChanger Virus Wasn’t Hype, It Was Success

Yesterday the media was freaking out about the DNSChanger virus. Today they’re saying it was a big bust. But the fact that DNSChanger was a whimper instead of a bang doesn’t mean it was all hype, it means we succeeded in averting the problem.

While some are comparing this to the Y2K fizzle, both are examples of good IT at work. As IT professionals, it’s our job to explain technical topics to the average person. More specifically, it’s our job to explain to the average person why they should care.

With DNSChanger, the IT industry explained that it was a particularly icky virus, and that necessary public safety measures meant people could lose Internet access if infected. The DNS Changer Working Group (DCWG) was set up with an easy test for infection. Word spread. The news media picked it up and, although their coverage sometimes tended towards hysteria, at least the facts were there.

Obviously this doesn’t happen for every virus. It doesn’t necessarily happen even for the important ones. Some viruses get news coverage because they infected a lot of large organizations, or were particularly widespread. Some get coverage solely because they sound scary and it’s a slow news day.

As I said in my post about the Mac virus Flashback, I worry less about the viruses we hear about than the ones we don’t. And I don’t worry at all about the hype, because it means people are talking computer security and that is a good thing.

What would have happened if we hadn’t been warned about DNSChanger? Maybe nothing. Maybe chaos. I certainly don’t think it would have TAKEN THE WHOLE INTERNET DOWN!!! as some news outlets were claiming. (Which can happen, but the honor’s reserved for nasty things like attacks against the DNS infrastructure itself.)  If nothing else, without notification DNSChanger probably would have made life unhappy for a lot more people.

The thing that concerns me about assuming it was all hype is that people might not pay attention the next time. And there will be a next time. The impact will largely depend on whether people use good security practices in between the big virus scares. That’s one story you’re not as likely to see in the news.

What did you think of the DNSChanger coverage? Share in the comments!

Image: FreeDigitalPhotos.net

The Basics About DNSChanger, The Virus That Could Knock You Off The Internet

Everyone’s talking about this virus that’s going to hit on Monday, July 9, 2012, but a lot of the articles are too technical. Here are the bare-bones basics you need to know.

What is DNSChanger?
A particularly obnoxious virus that affects Windows and Mac computers, and can be transmitted by other types of computers and mobile devices. It can also affect routers.

What does it do?
Changes your Internet settings so cybercriminals can serve you ads, steal your login information, and monitor everything you do online.

Gruesome technical details (optional)
DNSChanger alters your computer’s DNS settings. DNS servers translate ugly network numbers like 127.0.0.1 into nice human-friendly addresses like www.sophos.com. Normally your computer looks to your Internet provider’s DNS servers for these translations. DNSChanger redirects your computer to cybercriminal DNS servers, so everything you do on the Internet silently passes through their servers en route to its actual destination.

What could happen on July 9, 2012?
If your computer is infected with the DNSChanger virus, as of Monday, July 9, 2012, you may not be able to access the Internet. Because of the severity of DNSChanger, Internet providers worldwide decreed that July 9, 2012 was the last day the hacker servers would be allowed to stay online. After that, they pull the plug. If you’re infected and can’t get online, it’s probably because your Internet provider is blocking your computer as a public safety measure.

What do I need to do?

1. Check to see if you are infected.
Visit the DNSChanger Working Group (DCWG) website to see if you are infected. If you are, continue below.

2. Remove the virus from your computer
Most popular antivirus programs will remove DNSChanger. Be sure you are using legitimate antivirus and not lookalike scamwareDCWG has tips on what to do if you are infected.

These Tech Tips articles may also help:

Additional Resources

Image: FreeDigitalPhotos.net