It attempted to exploit known vulnerabilities in the POP3 protocol.

This IP belongs to JPMorgan Chase.

This IP belongs to Cigna.

This IP belongs to Freddie Mac.

Unusual network traffic patterns, such as a high amount of outbound traffic.

The IP attempted to login to the POP3 server with an invalid username.

This IP belongs to Goldman Sachs Group.

Login Attempts on Non-Existent Users: Many login requests for non-existent usernames could suggest a blind username enumeration attack.

GET /cgi-bin/test.cgi: Could indicate the threat actor is trying to exploit older, less secure scripting interfaces.

This malicious IP attempted a brute force attack, trying to crack login credentials to gain unauthorized access to a system or account.

It tried cookie theft, attempting to steal session data of a legit email user which can be misused to hijack the session.

Multiple 5xx Server Error Codes: A high count of server error status codes such as '500 Internal Server Error' may suggest an attacker is probing the server's security.

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

Attempts to access the server using stolen or leaked credentials.

IP Spoofing: Logs showing HTTP requests with IP ranges that are typically reserved for private networks or an unusual X-Forwarded-For header.

Remote File Inclusion (RFI): You might see HTTP requests with "=http" or "=ftp" which can signal an attempt for remote file inclusion.

Multiple requests with the same Range header.

A majority of our user base received phishing emails originated from this particular IP address.

Unusual activity in the server's error logs.

It attempted to use the SIP server to perform a reflection DDoS attack.

System logs trace back the distribution of trojans that could allow for remote access to this suspicious IP.

It attempted to send emails from the Mail server to email addresses that have previously marked emails from the server as spam.

The reported IP was identified as a BadBot, engaging in harmful activities such as unauthorized web scraping and data mining.

This IP belongs to Abbott Laboratories.

This IP belongs to Freddie Mac.