“We determined that recent additions to the SafeLinks feature resulted in the false alerts and we subsequently reverted these additions to fix the issue,” Microsoft said in a tweet. “More detail can be found in the Microsoft 365 admin center under DZ534539.”
False positives are a common problem in the antivirus industry, but they can be a nuisance for users and administrators. In this case, Microsoft was quick to acknowledge and address the issue, which should alleviate concerns among affected users.