Quarter of firms can’t tell how hackers get in

The majority of large companies have experienced a breach over the past twelve months, but almost a quarter, 23 percent, of firms do not know how the hackers got in, according to a new survey.

“That was pretty eye-opening,” said Tim Helming, director of product management at DomainTools, the company that sponsored the research. “If you don’t know how it got onto your network, you can’t protect against it.”

Of the firms who did know how the attackers got in, 67 percent said that malware had infiltrated their networks through email, 63 percent named web surfing as a vector of infection, 12 percent cited cloud apps or social media, and 4 percent pointed to instant messaging.

Read full article at CSO magazine.

Article also reprinted in Computerworld.