POST /j_security_check: May indicate an attempt to bypass Java server page (JSP) login mechanisms.

This IP belongs to Cigna.

It attempted to make unauthorized calls using the Asterisk server.

Repeated attempts to perform actions that are typically restricted, such as creating or modifying user accounts.

The malicious IP attempted to gain unauthorized access to the server by repeatedly trying different username and password combinations.

Unusual increase in network bandwidth usage.

It attempted to download sensitive files from the FTP server.

The IP sent malformed Asterisk requests, potentially indicating an attempt to crash the server.

This IP belongs to Phillips 66.

Unknown IP Address: An unfamiliar IP address making frequent requests could imply a compromised machine.

An alarming frequency of microphone loggers has been traced back to this IP.

Unknown source code changes in our system were linked back to this offensive IP address.

Excessive traffic from a single IP address.

The IP was seen engaging in a Slowloris attack, holding as many connections to the target web server open for as long as possible, eventually overloading the server.

This IP belongs to Nexon.

The IP attempted to perform a dictionary attack on the IMAP server.

It attempted to execute unauthorized commands on the Apache server.

This IP belongs to Target.

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.

This IP addressed employed a method of brute force attack attempting to compromise our systems.

Smuggling Attack: Logs showing a single IP initiating multiple sessions, implying a Smuggling Attack.

The IP sent numerous SIP OPTIONS requests in a short time.

The malicious IP engaged in distributed denial of service (DDoS) attacks, exhausting server resources and disrupting SSH services.

It performed botnet operations, controlling a group of “zombie” computers to amplify its DDoS attacks.

This IP belongs to Exxon Mobil.