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Well, this week marks the tenth anniversary of identity-based message encryption with more than a billion secure messages being exchanged annually, according to Voltage, one of the leaders in this space.

Late last year the Stuxnet made international headlines by infecting computers at an Iranian nuclear power plant. Much of the coverage has been focused on speculation as to who was behind the malware, which appeared to be designed specifically to target nuclear power plants with certain types of equipment. But how were the creators of Stuxnet able to infiltrate a high security nuclear power plant? According to Symantec, one of the key components in the attack was a legitimate digital certificate. The attackers either stole a private key, or were able to get their files signed. How can you keep your digital certificates and encryption keys safe?