Showing only posts tagged Security. Show all posts.

Mystery malware destroys 600,000 routers from a single ISP during 72-hour span

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Enlarge (credit: Getty Images) One day last October, subscribers to an ISP known as Windstream began flooding message boards with reports their routers had suddenly stopped working and remained unresponsive to reboots and all other attempts to revive them. “The routers now just sit there with a steady red …

US sanctions operators of “free VPN” that routed crime traffic through user PCs

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Enlarge (credit: Getty Images) The US Treasury Department has sanctioned three Chinese nationals for their involvement in a VPN-powered botnet with more than 19 million residential IP addresses they rented out to cybercriminals to obfuscate their illegal activities, including COVID-19 aid scams and bomb threats. The criminal enterprise, the …

Accelerate incident response with Amazon Security Lake

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This blog post is the first of a two-part series that will demonstrate the value of Amazon Security Lake and how you can use it and other resources to accelerate your incident response (IR) capabilities. Security Lake is a purpose-built data lake that centrally stores your security logs in …

Navigating the threat detection and incident response track at re:Inforce 2024

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A full conference pass is $1,099. Register today with the code flashsale150 to receive a limited time $150 discount, while supplies last. We’re counting down to AWS re:Inforce, our annual cloud security event! We are thrilled to invite security enthusiasts and builders to join us in …

Newly discovered ransomware uses BitLocker to encrypt victim data

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Enlarge (credit: Getty Images ) A previously unknown piece of ransomware, dubbed ShrinkLocker, encrypts victim data using the BitLocker feature built into the Windows operating system. BitLocker is a full-volume encryptor that debuted in 2007 with the release of Windows Vista. Users employ it to encrypt entire hard drives to …

Crooks plant backdoor in software used by courtrooms around the world

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Enlarge (credit: JAVS) A software maker serving more than 10,000 courtrooms throughout the world hosted an application update containing a hidden backdoor that maintained persistent communication with a malicious website, researchers reported Thursday, in the latest episode of a supply-chain attack. The software, known as the JAVS Viewer …

A root-server at the Internet’s core lost touch with its peers. We still don’t know why.

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Enlarge For more than four days, a server at the very core of the Internet’s domain name system was out of sync with its 12 root server peers due to an unexplained glitch that could have caused stability and security problems worldwide. This server, maintained by Internet carrier …

How to implement single-user secret rotation using Amazon RDS admin credentials

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You might have security or compliance standards that prevent a database user from changing their own credentials and from having multiple users with identical permissions. AWS Secrets Manager offers two rotation strategies for secrets that contain Amazon Relational Database Service (Amazon RDS) credentials: single-user and alternating-user. In the preceding …

Researchers spot cryptojacking attack that disables endpoint protections

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Enlarge (credit: Getty Images) Malware recently spotted in the wild uses sophisticated measures to disable antivirus protections, destroy evidence of infection, and permanently infect machines with cryptocurrency-mining software, researchers said Tuesday. Key to making the unusually complex system of malware operate is a function in the main payload, named …

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