Ad-borne Cryptowall Ransomware Claims Fresh Victims

Oct 23, 2014 4:19:00 PM By Stu Sjouwerman

The phones have been ringing off the hook here at KnowBe4. Not customers of ours but people that were hit with CryptoWall V2.0, needed bitcoin urgently, did a websearch and wound up with ...

Ransomware hits admin workstation and kills 7 servers

Oct 15, 2014 2:53:00 PM By Stu Sjouwerman

I wanted to share a horror story with you, something that happened to somebody the day before yesterday. This is what happened in their own words:

Why All This Russian Cybercrime in Five Minutes

Oct 9, 2014 6:04:00 AM By Stu Sjouwerman

We all know that a large amount of cybercrime originates in Russia and other eastern European countries that were former USSR states. But why is that? I decided to dig into this and did ...

CryptoWall 2.0 Ransomware Moves to TOR network

Oct 6, 2014 7:22:00 AM By Stu Sjouwerman

A new version of the world's most widespread ransomware CryptoWall has migrated to the TOR network. It has been upgraded to version 2.0, and continues to encrypt files so that ransom can ...

Top 5 eLearning Statistics for 2014 [Infographic]

Sep 30, 2014 4:48:00 PM By Stu Sjouwerman

The rise in eLearning’s popularity isn’t showing any signs of slowing. In fact, judging by the following Top 10 eLearning statistics for 2014, the future of the eLearning Industry is ...

New Android Ransomware Strain Locks The Device Twice

Sep 22, 2014 3:07:00 PM By Stu Sjouwerman

Researchers in Russia discovered a new Android ransomware strain which does not lock the device just once but twice. It spreads by using a social engineering trick, disguising itself as a ...

New KnowBe4 Whitepaper: A Short History of Ransomware

Sep 18, 2014 5:57:00 PM By Stu Sjouwerman

Symantec: Crypto Ransomware Phishing Up 700 Percent in 2014

Sep 12, 2014 5:06:00 PM By Stu Sjouwerman

Very interesting data from Symantec. This is fresh from the press and shows Phishing, Spam and Malware trends. There is a PDF with a whole bunch more data, but these are the most relevant ...

New Ransomware Discovered Called CryptoGraphic Locker

Sep 4, 2014 3:25:00 PM By Stu Sjouwerman

Panda researcher BartBlaze discovered a new strain of ransomware called CryptoGraphic Locker. Bleepingcomputer wrote: "Just like other encrypting ransomware, this infection will scan your ...

Meet CryptoWall, The New Ransomware Leader (with heatmap)

Aug 29, 2014 5:00:00 PM By Stu Sjouwerman

Malware comes in waves. CryptoLocker was the first major, vicious ransomware, and set off a bunch of copycats. Recently 16 competing ransomware gangs were identified. After CryptoLocker ...

Bitcoin Phishing Click Rate Higher Than Regular Scams

Aug 27, 2014 8:41:00 AM By Stu Sjouwerman

The Proofpoint Threatinsight blog reported on something curious. They called their posting "Curiosity Clicks: Using Bitcoin’s hype for phishing fun" and came up with some interesting ...

900,000 Android Phones Hit by Ransomware in 30 days

Aug 24, 2014 10:37:00 AM By Stu Sjouwerman

August 22, 2014 - Nicole Perlroth at the New York Times wrote: "You are guilty of child porn, child abuse, zoophilia or sending out bulk spam. You are a criminal. The Federal Bureau of ...

Cryptolocker Being Spread On YouTube Ads

Aug 21, 2014 11:12:00 AM By Stu Sjouwerman

VirusBulletin reported that cyber criminals now spread around Cryptolocker / CryptoWall via YouTube. The cyber criminals purchase advertising space and use exploit kits to infect ...

Reveton Ransomware Adds Powerful Password Stealer

Aug 21, 2014 10:39:00 AM By Stu Sjouwerman

The Avast Blog reports a new "password stealer" feature in the Reveton ransomware. Reveton is the type of "police" lock/screen ransomware which falsely alerts users they've broken some ...

New CryptoLocker copycat: TorrentLocker

Aug 15, 2014 3:55:00 PM By Stu Sjouwerman

iSIGHT partners discovered a new ransomware strain, which uses components of CryptoLocker and CryptoWall but underneath the surface, the code is completely different from these two ...

Ransomware: The next 12 months

Aug 11, 2014 2:05:00 PM By Stu Sjouwerman

Since September 2013, ransomware has become vicious and has inspired several copycats. At the time of this writing, summer 2014, the very first strains of second-generation ransomware ...

Security Companies Help Users Recover Files Locked by CryptoLocker

Aug 11, 2014 10:02:00 AM By Stu Sjouwerman

Researchers at FireEye and Fox-IT have managed to obtain the private encryption keys that the malware uses to lock files.

Cryptolocker Ransomware Variant Hits Synology Users: Synolocker

Aug 4, 2014 10:02:00 AM By Stu Sjouwerman

When your products get targeted with custom made ransomware, you know you've got it made. We're talking about NAS (network-attached storage) built by Synology in Taiwan. the malware has ...

The Internet of Things, Risks Of Hooking Up Appliances

Aug 2, 2014 10:00:00 AM By Stu Sjouwerman

This is a (very) short sci-fi story that looks at the cyber security risks of hooking up household appliances to the Internet. Warning - this is one grumpy man.

Security Awareness Training blocked Ransomware Infection

Aug 1, 2014 11:48:00 AM By Stu Sjouwerman

ComputerWorld in Australia reported on a very nice success where security awareness training prevented a major ransomware infection. They started out with: "People like to ask the ...

Security Awareness Training Blog

Ransomware Blog

View Topics