the Comodo SSL Certification Authority may have been compromised. As a consequence, criminals apparently obtained nine certificates for web sites that already existed, including addons.mozilla.org. and it looks like IE as well as got a update to day on XP
Google had already responded last week by releasing Chrome 10.0.648.151
XP & IE Size: 493 KB
Install this update to resolve an issue which requires an update to the certificate revocation list on Windows systems and to keep your systems certificate list up to date.
More information for this update can be found at http://go.microsoft.com/fwlink/?LinkId=214214
http://www.h-online.com/security/news/item/PHP-developer-wiki-server-hacked-1211874.html
http://www.theregister.co.uk/2011/03/23/japan_blackout_malware_scam/
Fake Japan blackout alerts cloak Flash malware
http://www.f-secure.com/weblog/archives/00002127.html
used infected Excel attachments with Flash exploits.
Hackers have broken into the servers of RSA, the security division of EMC, and stolen information related to the company's SecurID two-factor authentication products.
Many companies and organizations use RSA's SecurID tokens - which display a sequence of numbers that change every 30 seconds or so - as an additional level of security when staff log in to their networks. You may also have been given something similar by your online bank.