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What is a fileless attack? How hackers invade systems without installing software

September 21, 2017

“We see it every day,” says Steven Lentz, CSO at Samsung Research America. “Something coming through, some exploit type, unknown ransomware. We’ve stopped several things with our defenses, either network-wise or at the end point.”

The attacks that Lentz is worried about are fileless attacks, also known as zero-footprint attacks, macro, or non-malware attacks. These types of attacks don’t install new software on a user’s computer, so antivirus tools are more likely to miss them.

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