crl | DataProtectionCenter.com – Tech and Security

Adobe Reader and CRLs

14

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

Trust but verify: when CAs fall short

19

Feb

2013

We?ve recently experienced yet another case of a root certificate authority (CA from now on) losing control of its own certificates. And yet again, we have been waiting for either the CA or the browser to do something about it. This whole mess stems, once again, from both a governance and a technical problem. First, […]

Category General Written by Securelist / Blog 0 Comments

64-Bit System Driver Infected and Signed After UAC Bypassed

15

Mar

2012

What was just a theory not so long ago is now being used in-the-wild by threats such as Backdoor.Hackersdoor and its newer variant Backdoor.Conpee. Back in December we analyzed tdpipe.sys, an infected 64-bit Windows 7 system driver. The infection consisted of an extra import added to the driver’s import table: The import named DiscPart from […]

Category General Written by Symantec Security Response Blog 0 Comments

The Latest in IT Security

Posts Tagged ‘crl’

Adobe Reader and CRLs

Trust but verify: when CAs fall short

64-Bit System Driver Infected and Signed After UAC Bypassed

Categories

Featured

Archives

Latest Comments

About Us

Contact Us