Ziggy ransomware shuts down and releases victims’ decryption keys

Sunday, February 7th, 2021

The Ziggy ransomware operation has shut down and released the victims' decryption keys after concerns about recent law enforcement activity and guilt for encrypting victims. Over the weekend, security researcher M. Shahpasandi told BleepingComputer that the Ziggy Ransomware admin announced on Telegram that they were shutting down their operation and would be releasing all of ...

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New “Quad9” DNS service blocks malicious domains for everyone

Thursday, November 16th, 2017

The Global Cyber Alliance (GCA)—an organization founded by law enforcement and research organizations to help reduce cyber-crime—has partnered with IBM and Packet Clearing House to launch a free public Domain Name Service system. That system is intended to block domains associated with botnets, phishing attacks, and other malicious Internet hosts—primarily ...

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IoT Scanner Checks for Vulnerabilities In Your Connected Devices

Monday, October 24th, 2016

Last week’s DDoS attack on Dyn that shut down portions of the internet was fueled by bots created from hacked connected devices, like internet-connected cameras and DVRs, but can also theoretically include connected routers, printers, and more. While there’s not exactly a fix for this problem, IoT Scanner is a ...

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Ransomware’s new threat: if you don’t pay, we’ll publish your photos online

Tuesday, November 3rd, 2015

The ‘scareware' variant of the Chimera ransomware trojan has been spotted by the Cologne-based anti-botnet advisory centre, Botfrei (‘Botfree'). The agency says Chimera is a classic blackmail trojan which is now targeting specific employees in German companies with fake emails about job applications or job offers. The emails point them to a Dropbox ...

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How Command and Control Servers Remain Resilient

Monday, September 14th, 2015

One of the ways that malware activity on a network is spotted is via the activity of their network activity. However, in many cases this can be difficult to detect: there have been incidents where command-and-control (C&C) servers were able to stay online and pose a problem for many years. ...

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