On July 19th 2011, DigiNotar detected an intrusion into its Certificate Authority (CA) infrastructure, which resulted in the fraudulent issuance of public key certificate requests for a number of domains, including Google.com.
Once it detected the intrusion, DigiNotar has acted in accordance with all relevant rules and procedures.
At that time, an external security audit concluded that all fraudulently issued certificates were revoked. Recently, it was discovered that at least one fraudulent certificate had not been revoked at the time. After being notified by Dutch government organization Govcert, DigiNotar took immediate action and revoked the fraudulent certificate.
Diginotar indeed was hacked, on the 19th of July, 2011. The attackers were able to generate several fraudulent certificates, including possibly also EVSSL certificates. But while Diginotar revoked the other rogue certificates, they missed the one issued to Google. Didn't Diginotar think it's a tad weird that Google would suddenly renew their SSL certificate, and decide to do it with a mid-sized Dutch CA, of all places? And when Diginotar was auditing their systems after the breach, how on earth did they miss the Iranian defacement discussed above?
is not so sure we have the full DigiNotar story
None of the recipients were people who would normally be considered high-profile or high-value targets, such as an executive or an IT administrator with special network privileges. But that didn't matter. When one of the four recipients clicked on the attachment, the attachment used a zero-day exploit targeting a vulnerability in Adobe Flash to drop another malicious file — a backdoor — onto the recipient's desktop computer. This gave the attackers a foothold to burrow farther into the network and gain the access they needed.
on an RSA phishing attack that may have led to the SecurID disclosure
I remember back at the government fear mongering after 9/11. How there were hundreds of sleeper cells in the U.S. How terrorism would become the new normal unless we implemented all sorts of Draconian security measures. You'd think that -- if this were even remotely true -- we would have seen more attempted terrorism in the U.S. over the past decade.
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