Google flips switch on Chrome’s newest defensive technologyOctober 20, 2018
Google has switched on a defensive technology in Chrome that will make it much more difficult for Spectra-like attacks to steal information such as log-on credentials.
Later, in Chrome 66, which launched in April, Google opened the field testing to general users, who could enable Site Isolation.
Now, Google has switched on Site Isolation for the vast majority of Chrome users – 99 per cent of them by the search giant’s account.
“Many known issues have been resolved since (Chrome 63), making it practical to enable by default for all desktop Chrome users,” Charlie Reis, a Google software engineer, wrote in a post to a company blog.
“When Site Isolation is enabled, each renderer process contains documents from, at most, one site,” Reis continued.
“This means all navigations to cross-site documents cause a tab to switch processes.
That, Reis added, was a major change to how Chrome works, and one that engineers had been pursuing for several years, long before Spectre was uncovered.
Resource consumption may not be a Google-mandated “issue” with Site Isolation, but there are trade-offs when using the technology, the company acknowledged.
Computerworld used the latter to make sure its instances of Chrome had Site Isolation enabled.
“We’re also working on additional security checks in the browser process, which will let Site Isolation mitigate not just Spectre attacks but also attacks from fully compromised renderer processes,” he wrote.
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