Posts Tagged ‘user agent string’

Adobe Reader and CRLs

May

2013

There’s something that I wanted to test out for quite some time, but kept postponing until recently. Adobe Reader will ask confirmation before it retrieves a URL when a PDF document contains an action to do so. But what about the Certificate Revocation List in a signed PDF document?When you open a signed PDF document […]

Category Security Written by Didier Stevens 0 Comments

A new ransomware trojan variant with children pornography

May

2013

We wrote about the ransomware trojan (aka BKA Trojan) and its new methods of blackmailing people to pay: claim in the name of an official institution that the user did something illegal, like storing children pornography pictures on his computer. The new variant of the BKA trojan attempts to blackmail the owners of infected computers […]

Category General Written by Avira - TechBlog 0 Comments

Popular Media Sites Involved in Mass Compromise

May

2013

Today, Zscaler identified yet another mass website compromise, this one impacting a number of popular media sites, including two radio stations in Washington, DC – Federal News Radio and WTOP. It’s not clear if all of the sites impacted were leveraging a common backend platform that may have led to the compromise. Sadly, mass compromises […]

Category Security Written by Zscaler Research 0 Comments

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