Archive for September, 2015

17 Sep 2015

Virus Alert: Ransomware Diligence

The purpose of this virus alert is to inform and educate you, as well as encourage you to remain vigilant against malware. We continue to experience isolated incidents of CryptoLocker and its variants, a type of virus known as “ransomware”.  To learn more about CryptoLocker and ransomware please reference our previous blog post here:

http://sisadmin.com/virus-alert-cryptolocker-how-to-protect-yourself/

As mentioned in the above-referenced blog post, here’s steps you can take to protect yourself:

  1. Never open email attachments from unknown senders. Keep in mind that the people who create these emails are crafty. They are often carefully constructed to appear as if they came from legitimate businesses or vendors.
  2. Don’t follow links received in SPAM emails from unknown senders.
  3. Back up your data.
  4. Keep your antivirus and antimalware software updated. We recommend Webroot and MalwareBytes as a solid deterrent. Please be aware that no preventative platform is foolproof.

How do you know if you’ve been infected?

  1. You are unable to open files and/or files appear to be corrupted. This may occur on your local hard drive or on network shares if the infection has spread beyond a local machine.
  2. File extensions are changing from what they should be (.doc, .pdf, .xls) to .encrypted, .cryptolocker, or .[random characters].
  3. A HELP_DECRYPT file has appeared in each folder where files have been encrypted.
  4. A ransom screen may appear informing you that your personal files have been encrypted.

What do you do if you suspect an infection?

  1. Immediately disconnect your computer from your wired and/or wireless network. This will prevent it from further encrypting any files.
  2. Call SisAdmin at 425-482-1919 to report the infection ASAP.
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04 Sep 2015

Three Ways to Boost Your Mobile Security

mdm-key

We live a mobile lifestyle. Our mobile devices keep us connected, and we can do anything from our mobile devices – from anywhere in the world. Online banking, hotel reservations, email – all can be accessed with a tap of the finger.

If you forget your phone at a restaurant, at work, or anywhere else unattended – how confident are you that nobody else can access your information?

While browsing the Internet, how confident are you that your information is only being viewed by you?

Follow these steps for a confidence boost in your mobile security:


1. Set a pin or passcode

This is your first line of defense. If someone wants to access your device, they will first need to break this code. This is not an easy task, and can operate as a deterrent against theft. Some device manufacturers have an option to automatically wipe your device after a few unsuccessful attempts at your passcode or pin; so, even if your phone is stolen, your information cannot be accessed.


2. Remote locate and wipe tools

There are thousands of applications out there, and many involve more than just crushing candy or shooting birds at pigs. Certain software can help you locate your lost or stolen device through its GPS. Apple offers a service like this for their mobile devices aptly named Find my iPhone. For Android users, the Android Device Manager offers these services. Windows Mobile users also have this option from the Windows Phone website. Similarly, many third party applications are available in each of the app stores.


3. Keep your device clean

Utilizing an Antivirus and Malware scanner is never a bad idea. Your phones are mini-computers, and just like your “big” computer – they need to be cleaned up from time to time. Malware and Virus threats can compromise information stored on your mobile devices. Malware has a snowball effect, and can continuously pile up until it slows downs or stops your device. Look for an MSP that offers Malwarebytes as a solution to this problem for both mobile devices and computers. It will keep your end points clean and secure from outsiders. Consider Webroot as an antivirus application that scans your downloaded apps and devices for any threats.  Equipped with internet security, this defense will give you a heads up if it detects any malicious activity from your device’s browser.

In the end, the number one security measure on your mobile device is you. Be proactive. Protect yourself and your information using the steps above!

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