Don't count on antivirus software alone to keep your data safe

TJX hacking mastermind Albert Gonzalez scoffed at antivirus tools. He and his cohorts wrote malware specifically designed to evade their detection. One can imagine him laughing as his team of hackers broke into corporate networks using SQL injection attacks and gained administrative access.
 
Then he probably guffawed, Bond villain-style, as he uploaded the malware directly into server memory, and when the corporate networks began happily delivering customer credit card data directly to his servers chuckled all the way to the bank.
 
Gonzalez was perhaps the biggest cyber criminal in history. He was eventually jailed for hacking more than 250 companies, ranging from retailers such as TJX and grocery chain Hannaford Bros through to payment processing company Heartland.
 
He pilfered data from under their noses and cost them hundreds of millions of dollars. Even though many of these firms had antivirus software installed, they didn’t detect what he was doing. Why?
 
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