"Facebook’s credibility"
Those two words have nothing to do together.
Security vendor WithSecure, which was spun out in March 2022 as F-Secure’s enterprise security arm, claims it’s found malware that targets Facebook Business accounts. “The threat actor targets individuals and employees that may have access to a Facebook Business account with an information-stealer malware,” states WithSecure’s …
If I had the hacking skills and managed to crack into Facebook, first thing I'd head for is the backups and then the primary storage, complete factory reset and do humanity a favour by wiping Zuck's own social media malware off the face of the earth.