List of global firms hit by SolarWinds hackers grows beyond Microsoft

Network management software made by SolarWinds, which has its European head offices based in Cork, was hijacked.

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Suspected Russian hackers accessed the systems of a US internet provider and a county government in Arizona as part of a sprawling cyber-espionage campaign disclosed this week, according to an analysis of publicly-available web records.

The hack, which hijacked ubiquitous network management software made by SolarWinds to compromise a raft of US government agencies, is one of the biggest ever uncovered and has sent security teams around the world scrambling to contain the damage.