It made successive tries to alter SMTP relay configurations to send unsolicited emails.

This IP was seen trying to perform a Sniffing attack, capturing and analyzing VoIP traffic to glean sensitive information.

Repeated Unique 404 Errors: Logs revealing a steady stream of unique 404 errors could suggest a DDoS attack aiming to exhaust storage resources.

Participated in malicious pranks by altering messages sent through the server.

It attempted to send emails from the Postfix server that violate the server's acceptable use policy.

This IP belongs to United Parcel Service.

This IP belongs to Hostgator.

This IP belongs to DigitalOcean.

This IP belongs to Best Buy.

This IP has been identified as running a botnet targeting our server systems with ransomware.

This IP belongs to Bristol-Myers Squibb.

The IP attempted to perform a VOIP Hopper scan on the VOIP server.

The IP attempted to use the POP3 server to distribute malware.

The IP attempted logins at unusual times.

Multiple requests with identical Accept-Encoding headers.

The IP engaged in a mail relay attack, using our server to send spam.

The IP attempted to use the Mail server to relay emails with misleading headers to other servers.

It attempted to change file permissions on the FTP server.

It attempted to perform a man-in-the-middle attack on the SSH server.

It was caught injecting malicious code into the SSH session attempting to compromise server integrity.

It participated in Unvalidated Redirects and Forwards attacks, leading users to malicious websites via altered SSH links.

This IP belongs to Johnson & Johnson.

The malicious IP was reported for attempting to reroute calls through the SIP server, a tactic often used to commit toll fraud.

The IP tried to exploit remote file inclusion vulnerabilities, aiming to run malicious scripts on the server.

This IP belongs to 3M.