In 2021, 58 zero-day vulnerabilities were discovered on devices from companies like MicrosoftAnd An apple And The Google – More than double the 2020 total, which was 25. The data is from a hypothetical security report prepared by Google’s Project Zero team, which specializes in identifying these flaws.
However, the significant increase does not come from the exploitation of these flaws by malicious proxies, but from companies that manufacture solutions that frequently inform the public through detailed reports of any vulnerabilities they find.
In addition, the Google expert team report also notes that the number of zero-day vulnerabilities discovered in 2021 is likely to be greater than 58, but that many have not been disclosed – even as companies improve the communication process for these vulnerabilities, it is It is never known if some were kept internally to avoid panics by users, for example.
Only two zero-day vulnerabilities as of 2021 were brand new
The Google Project Zero report also shows that of the 58 flaws discovered, only two were completely new – but they’re still worrying enough for experts.
One of these was the first publicly known vulnerability in macOS, which uses sophisticated code to install backdoors onto an Apple computer. the other is Exploit iPhone forced entryused to install the Pegasus spy app, from the Israeli NSO group, on the smartphone.
Other vulnerabilities that were discovered were variations on flaws that had already been detailed in other periods but had not yet been patched – such as flaws involving device memory corruption, which, due to potentially high values that needed to be fixed, ended up not being It is a priority for companies responsible for the existing systems.
source: project zero
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