A penetration tester discovers that a system is infected with malware that encrypts all files and demands payment for decryption. What type of malware is this?
In a security assessment conducted in New York, Sarah, an ethical hacker, is evaluating a corporate network to enhance its protection against potential threats. She aims to gather essential data about available access points to guide her analysis. Which scanning technique should Sarah apply to meet this objective while adhering to the organization ' s ethical guidelines?
A financial services firm detects that outbound corporate emails containing sensitive underwriting data were intercepted while transmitted over unsecured channels. To immediately restore confidentiality and ensure authenticity of executive communications, the security operations team deploys a standardized email encryption framework compatible with the organization’s Microsoft Outlook environment.
The selected solution must support digital signatures for sender authentication, rely on a public-key infrastructure for secure key exchange, and enable recipients to validate signed messages using certificates issued by trusted authorities.
Identify the email encryption standard that best fulfills these requirements.
Attackers persisted by modifying legitimate system utilities and services. What key step helps prevent similar threats?
You are a cybersecurity analyst at a global banking corporation and suspect a backdoor attack due to abnormal outbound traffic during non-working hours, unexplained reboots, and modified system files. Which combination of measures would be most effective to accurately identify and neutralize the backdoor while ensuring system integrity?
A penetration tester is assessing a mobile application and discovers that the app is vulnerable to improper session management. The session tokens are not invalidated upon logout, allowing the tokens to be reused. What is the most effective way to exploit this vulnerability?
A penetration tester completes a vulnerability scan showing multiple low-risk findings and one high-risk vulnerability tied to outdated server software. What should the tester prioritize as the next step?
Malware adapts behavior, changes code dynamically, and exfiltrates data stealthily. What is it?
The tools which receive event logs from servers, network equipment, and applications, and perform analysis and correlation on those logs, and can generate alarms for security relevant issues, are known as what?
As the cybersecurity lead for an international news agency, you are alerted by your threat intelligence team that confidential communications between journalists and whistleblowers have been posted to an online activist forum. Further forensic analysis reveals that no financial transactions were tampered with and no ransomware was deployed. However, the agency’s internal systems were accessed and selectively leaked emails were published alongside a manifesto accusing the organization of biased reporting. The attackers also posted on social media claiming responsibility and justifying their actions as a fight against misinformation.
Based on this behavior, what category of hacker are you most likely dealing with?
A penetration tester is running a vulnerability scan on a company’s network. The scan identifies an open port with a high-severity vulnerability linked to outdated software. What is the most appropriate next step for the tester?
A security analyst investigates unusual east-west traffic on a corporate network. A rogue device has been physically inserted between a workstation and the switch, enabling unauthorized access while inheriting the workstation’s authenticated network state. Which evasion technique is being used?
A penetration tester is hired by a company to assess its vulnerability to social engineering attacks targeting its IT department. The tester decides to use a sophisticated pretext involving technical jargon and insider information to deceive employees into revealing their network credentials. What is the most effective social engineering technique the tester should employ to maximize the chances of obtaining valid credentials without raising suspicion?
A Java app uses outdated libraries with known CVEs. What risk does this create?