Google says the issue affects Intel, AMD, and ARM chips, noting that it updated most of its systems and products with protections from attack. AWS said most of its affected servers have already been secured.
A new kind of malware, known as Triton or TRISIS, goes after industrial safety systems that provide emergency shutdown capabilities. Experts say it can also be effective in attacking data center power and cooling systems.
The technology website The Register said a bug lets some software gain access to parts of a computer’s memory that are set aside to protect things like passwords. All computers with Intel chips from the past 10 years appear to be affected.