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LinkedIn under attack, malicious hackers seize accounts

Security researchers have identified that a widespread LinkedIn malicious hacking campaign has seen many users locked out of their accounts worldwide.

Some users who have had their access to their LinkedIn accounts blocked by the cybercriminals changing their passwords have been pressured into paying a ransom, according to a report from Cyberint, and threatened with permanent account deletion.

In other instances, LinkedIn users report that they have received notification emails from LinkedIn telling them that their accounts have been temporarily locked due to “unusual activity”. These appear to be a precautionary step from the site, when they see multiple attempts to break into an account, perhaps through the use of brute force password attacks or due to multiple attempts to defeat the two-factor authentication (2FA) protection some users have enabled on accounts.

As the researchers note, victims have turned to social media in their attempts to regain access to their accounts, complaining about a lack of meaningful response from LinkedIn’s support team.

The security problem is clearly not limited to just the LinkedIn users complaining online.

The researchers found that the number of Google searches related to compromised LinkedIn accounts has seen a “significant surge” in the past 90 days. Search terms like “Linkedin account recovery appeal” and “Linkedin account hacked 2023” have been classified as a “breakout”, meaning that searches for the term have grown by over 5000%.

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