# Section 07: Malware Countermeasures ## Countermeasures Trojan countermeasures * Avoid opening email from unkown senders. * Install patches and updates. * Run antivirus and intrusion detection systems. * Check TLS certificate of any website you are interacting with. Backdoor countermeasures * Many antivirus products can scan for backdoors. * Run monitoring tools that detect malicious registry entries. * Delete malicious files related to the trojan. Virus and worms countermeasures * Install patches and updates. * Perform regular backups. * Only execute signed code. Fileless malware countermeasures * Run periodic antivirus scans. * Remove all administrative tools from the server. * Scan for indicators of compromise. Antivirus software > Antivirus software (abbreviated to AV software), also known as anti-malware, is a computer program used to prevent, detect, and remove malware. Links * *