Showing posts with label viruses. Show all posts
Showing posts with label viruses. Show all posts

Thursday, January 28, 2010

Hackers Are Now Targeting Macs

Until recently, MacIntosh computer users have long enjoyed relative freedom from hacker attacks; however, researchers at Symantec Corporation say online criminals are now setting their sites on Mac users.

   Online porn hunters are the latest target. Visitors to certain web sites are led to believe they can download a free video player when in fact they are installing malicious code onto their Macs.

   Once the users authorize the transaction, the hackers can redirect the users future browsing to fraudulent web sites and possibly steal the user's information or passwords. Sometimes they simply send ads for other pornographic web sites. This results in thousands of dollars in income for the criminals.

   While you may think that Macs are essentially more secure than PCs because they are built better, security experts would argue differently. They believe that the Mac is actually no more secure than a PC. In fact, they note that the relatively low number of viruses, exploits and other cyber attacks directed at Mac users is due to Apple's relatively small share of the computer market.

"I don't think that the Mac OS is more secure than Windows -- I think it is safer than Windows because there are less people trying to attack it. There is a big difference," Natalie Lambert, a senior analyst at Forrester Research recently shared with MacNewsWorld.

   With that said, the fact remains that for every single attack on a Mac, there are at least 100 attacks on Windows-based systems.

   So what should you do if you own a Mac? Use the same safe online surfing practices as PC users, keep your anti-virus software up-to-date, never open strange e-mails from unknown sources, and only verify user names and passwords by phone with your bank or other financial institutions.

Thursday, January 21, 2010

Attention Facebook & Twitter Users: Hackers Are Now Using Your Friends Accounts To Transmit Viruses

“Hey, I have this hilarious video of you dancing. Your face is so red. You should check it out!” If you've received a message like that through a Facebook or MySpace friend, you may have been exposed to the "Koobface" virus. Here’s what’s going on…

    Hackers have now made a new cozy home for themselves on social media sites such as Facebook and Twitter. Disguised as one of your friends, they’ll send you a direct message with a video link attached. If you click on the link, you’re prompted to update your Flash player to see the video, and therein lies the virus, cloaked in a "flash_player.exe" file. Once installed, this  worm transforms your computer into a Zombie machine as part of a botnet (a network of computers that are controlled and used by the originator of the worm for unscrupulous purposes).

Are You Really At Risk?


     Unless you are aware of these scams, it is very easy to become infected. Some of the direct messages and tweets have titles that are very deceptive. Some of the more common messages will say, “Here’s the video I mentioned…", or "LOL," or "My friend caught you on hidden cam," or "My home video :)” These messages are followed by a link directing you to a page to watch the video. These seemingly harmless messages can quickly infect your entire office network, allowing hackers a free pass in. In addition, they can block you from accessing important security updates, making your network even more susceptible to hacker attacks. In some cases, they use their free access to your computer to steal bank account information, credit card numbers, social security numbers and other confidential data.


How To Protect Yourself



     Awareness is the first step to protecting yourself. Make a copy of this newsletter and hand it out to all your coworkers and your friends and family so they don’t get infected or infect you. Next, follow these three simple steps:

1)    Frequently Change Your Password And Don’t Use Easy To Guess Combinations. I know, it’s a pain in the neck to change your password frequently, especially when you have dozens to keep track of. But this really is one of the best ways to avoid compromising your account on social media sites. Additionally, don’t use simple passwords like “password” or “123abc.” Include lower case and capital letters, as well as numbers. If a hacker is trying to crack your password and you never change it (or if it’s super easy to guess), you make your account a prime target.


2)    Avoid Downloads. Avoid downloading anything from messages on Twitter or Facebook, even if the message is from someone you know. As a general rule, never download any file if you are not 100% certain it is secure and virus free.


3)    Get A Beefy Firewall. If you or your employees are using any social media sites for personal or business connections, a strong firewall will protect you from getting infected. That way, even if you or your staff inadvertently opens a dangerous message from one of these sites, your firewall can prevent it from bringing your whole network to a grinding halt.

If you’d like more information on the importance of securing your network against social media threats, please e-mail us at support@thinktechonline.com or call us at 508-992-2541.

Tuesday, September 22, 2009

Stop Malware Before It Destroys Your Data: 5 Simple Ways To Prevent Damage From Viruses & Spyware

#1. Install Business Grade Anti-Virus Software

The proliferation of free anti-virus applications has enticed many business owners to be penny wise and pound foolish. These programs are lacking several areas of protection vital to keeping a business network secure, and licensing is usually restricted to non-commercial use. We deploy only industrial strength protection products for our Network Headache Eliminator clients. They keep you safe without slowing you down.

#2. Install Real Time Anti-Spyware Protection

Over the last 12 months, spyware has grown from an annoyance to the #1 threat to your data. It is critical that business computers have real time protection (sometimes referred to as active protection) against spyware in addition to virus protection. Unfortunately most real time anti-spyware products conflict with anti-virus software. Our Network Headache Eliminator clients receive the benefit of our extensive testing ensuring they receive maximum protection and compatibility.

#3. Keep Anti-malware Software Updated & Running

Anti-virus and anti-spyware software must be updated every few hours. We monitor each system on our Network Headache Eliminator and push updates as soon as they are available from the software vendor. We also monitor and immediately restart your protection should it be turned off by the user, system error or previously unknown threat.

#4. Don’t Click On Email Links Or Attachments

We cannot say this often enough and this is the #1 reason given when we receive a call complaining about a possible infection. Links in a malicious email don’t send you to the location promised. Instead they redirect you to a malicious website. If you aren’t expecting an email with an attachment, it is likely malicious even if sent from friend.

#5. Use A Hardware Based Firewall Or UTM

Firewalls and Unified Threat Management (UTM) devices are a must for every business network. They are the first line of defense against viruses, spyware, spam and hackers. UTMs can block access to known bad websites and more.

For more ideas on protecting your network call us at
508-992-2541 or send an email to support@thinktechonline.com