Unauthorized Access Attempts to Admin Directories: Repeated HTTP requests to known admin directories.

Last night, we received an alert regarding this IP attempting to upload keyloggers to our network.

Unusual Port Numbers: HTTP requests to unusual port numbers could be a sign of someone probing for an open, vulnerable port.

The IP attempted to use the FTP server to distribute web vulnerability scanning tools.

This IP belongs to Time Warner Cable Internet.

This IP belongs to JPMorgan Chase.

The IP attempted to send emails from the Postfix server to blacklisted email addresses.

The IP tried launching Server Query Flooding to overwhelm our server with requests.

Bogus pop-ups irritating our end-users were found to be released by this infamous IP.

This IP belongs to Target.

The IP attempted to use the FTP server to distribute forensics tools.

Evidence shows that the IP address has sent a number of deceptive phishing emails to our employees.

Rapid sequence of login attempts.

The IP was involved in a FTP Spam attack, using the FTP server to distribute unsolicited emails or messages.

TLS Downgrade Attacks: Logs showing repeated attempts to establish non-TLS connections with the server.

The IP attempted to register with the VOIP server using an invalid username.

Uncommon Referer Header: HTTP logs record requests from an uncommon or suspicious 'Referer' header.

This IP belongs to Target.

The IP attempted 'DLL Injection' to alter the server's behavior in a malicious manner.

The IP attempted to use the FTP server to distribute credit card fraud tools.

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

The IP address has been flagged for multiple attempts to deliver drive-by-download attacks.

This malicious IP was reported for trying to perform a Man-in-the-Middle attack, intercepting and potentially altering communication between the FTP server and its clients.

It attempted to perform a brute force attack on the POP3 server.

Multiple failed login attempts from the same IP address in a short span of time.