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SolarWinds Attackers Lurked for 'Several Months' in FireEye's Network


Top execs from FireEye, SolarWinds, Microsoft, and CrowdStrike testified before the US Senate Intelligence Committee today on the aftermath - and ongoing investigations - into the epic attacks.

The attackers who infiltrated SolarWinds Orion's software build and updates had spent "several months" embedded in FireEye's network before the security firm spotted them, Kevin Mandia, CEO of FireEye told a congressional committee today.

"The attacker wasn't alive every single day" on our network, Mandia told the US Senate Intelligence Committee in response to a question about the attack timeframe on FireEye's network. "They were on our systems for three hours on one day, a week would go by, and a couple of hours another day. We weren't a full-time job for [them] .. because they had broken into another 60-plus if not 100 organizations. There were several days of activity before we detected them."

Mandia, along with Microsoft president ...


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