[ISN] How do the FBI and Secret Service know your network has been breached before you do?

http://www.networkworld.com/news/2014/032614-fbi-secret-service-breach-280126.html By Ellen Messmer Network World March 26, 2014 Knock, knock! Secret Service here. “Is this your customer payment card data?” By all accounts, many of the massive data breaches in the news these days are first revealed to the victims by law enforcement, the Secret Service and Federal Bureau of Investigation (FBI). But how do the agencies figure it out before the companies know they have been breached, especially given the millions companies spend on security and their intense focus on compliance? The agencies do the one thing companies don’t do. They attack the problem from the other end by looking for evidence that a crime has been committed. Agents go undercover in criminal forums where stolen payment cards, customer data and propriety information are sold. They monitor suspects and sometimes get court permission to break into password-protected enclaves where cyber-criminals lurk. They have informants, they do interviews with people already incarcerated for cybercrime, and they see clues in the massive data dumps of information stolen from companies whose networks have been breached. […]




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