Web Security


New Twitter-Based Malware Uses Direct Messaging to Spread

Sophos is warning of a new trick to get Twitter users to open direct messages from trusted users that ultimately infect their machines with malware.In a blog post, senior technology consultant Graham Clulely said the initial message is a tweet claiming the recipient’s been captured on a Facebook video. One version makes it sound like something scandalous was taped without the person’s knowledge.

Mike Mimoso on the Evolution of Security

Dennis Fisher talks with Mike Mimoso, the new editor of Threatpost, about his decade covering security, how the industry and threat landscape have changed and how security researchers are like Bill Parcells.


It’s been a rough couple of years for the security of fundamental Internet infrastructure technologies such the domain name system (DNS), SSL and digital certificates. Hackers are taking aim at these core technologies at the heart of ecommerce and online communication, and are more often than not, hitting their mark with devastating accuracy.

Facebook’s active-user count is rapidly approaching one billion. The world’s largest social network, which has long been a popular target and platform for attackers, will only become a more relevant outlet for scams and other fraud as it continues to grow.

The new attack on TLS developed by researchers Juliano Rizzo and Thai Duong takes advantage of an information leak in the compression ratio of TLS requests as a side channel to enable them to decrypt the requests made by the client to the server. This, in turn, allows them to grab the user’s login cookie and then hijack the user’s session and impersonate her on high-value destinations such as banks or e-commerce sites.