48% of businesses didn’t know they’d been breached until informed by law enforcement agencies, says Mandiant CEO Kevin Mandia. Mandia: Advanced attacks are now being used with greater frequency against businesses. Attackers have become expert at using malware to compromise legitimate networks, then launch botnet-driven attacks against other targets. The private sector is hemorrhaging intellectual property based on a series of online intrusions, Mandia says. For businesses to better resist these attacks, they’d ideally have access to the threat intelligence being produced by government agencies.”]
Source: https://www.darkreading.com/attacks-breaches/most-businesses-don-t-spot-hack-attacks