A penetration testing service hired by the company has reported that a backdoor was identified on the network. What action should the organization take to find out if systems have been compromised?Select one:Look for unauthorized accounts.Look for policy changes in Event Viewer.Scan the systems for viruses.Look for usernames that do not have passwords.

Find out what is meant by a backdoor Trojan.

You are conducting an incident response and want to determine if any account-based indicators of compromise (IoC) exist on a compromised server. Which of the following would you NOT search for on the server?Malicious processesOff-hours usageUnauthorized sessionsFailed loginsSee all questionsSkip question

You discover a security breach in a company’s network during a penetration test. What immediate steps would you take to contain the breach, investigate the incident, and prevent future occurrences?

During a recent site survey, you found a rogue wireless access point on your network. Which of the following actions should you take first to protect your network while still preserving evidence?answerDisconnect the access point from the network.Run a packet sniffer to monitor traffic to and from the access point.Connect to the access point and examine its logs for information.See who is connected to the access point and attempt to find the attacker.

To ensure persistent access, the attacker deploys a complex network of backdoors and malware across the company’s infrastructure. These tools are designed to automatically adapt and mutate to avoid detection by antivirus software and to re-establish connections if discovered and removed. How can persistent threats like these be most effectively detected and eradicated?Routine penetration testing and red team exercisesDeploying behavior-based threat detection solutionsFrequent updates and scans by antivirus softwareEnhanced endpoint detection and response (EDR) mechanisms