#1
An article with interesting statistics was published by Mandiant.

Mandiant analyzed 138 vulnerabilities that were disclosed in 2023 and exploited in the wild. As in previous analyses, the majority (97) of these vulnerabilities were exploited as 0-day. Forty-one vulnerabilities were exploited as 1-day.

Time to exploit (TTE) is our metric for determining the average time it takes to exploit a vulnerability before or after a patch is released.

From 2018 to 2019, we saw an average TTE (Time-To-Exploit) of 63 days. From 2020 to early 2021, this dropped to 44 days. Then, throughout 2021 and 2022, the average observed TTE dropped even further, to 32 days. In 2023, we saw the most significant drop in TTE to date, an average of just five days.
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source :  https://cloud.google.com/blog/topics/thr...ends-2023/