JULY:

Symantec accidently crippled a number of Windows XP machines with their customer defective update within its antivirus software.

Later that month, Dropbox announced that one of its employee accounts has been compromised, leading to spam spree that led to a whole lot of irritated users. "We're sorry about this, and have put additional controls in place to help make sure it doesn't happen again," said Dropbox engineer Aditya Agarwal in a statement, who added that a hacker stole a password.

Another spam attack was lined up on the month of July, as Twitter was hit by a spam spree that sends malicious tweets across stating “It’s you on photo?”

Yahoo confirmed that over 450,000 passwords that where unencrypted where compromised and user sensitive details were stolen by a hacking group called Contributor Network.

Microsoft’s online communication site Skype announced that there is a glitch that resulted in leakage of instant messages being send to other parties.

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