Recent questions tagged cybersecurity

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What are the security risks of expired SSL certificates?

Jan 10, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,164 views
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Which is better: SSH RSA or SSH DSS?

Jan 10, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 2,522 views
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Which SSH security is stronger?

Jan 10, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 753 views
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Is SSH public key authentication secure?

Jan 10, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 742 views
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Which SSH key is more secure?

Jan 10, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 827 views
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How to determine the hashing algorithm of a public key in the certificate?

Jan 7, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 988 views
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Does a private key always generate the same public key?

Jan 7, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,316 views
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Can there be multiple private keys for one public key?

Jan 7, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 164 views
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Why should you not block or close ports in a firewall?

Jan 7, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,012 views
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Why does Nmap show closed ports?

Jan 7, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 2,064 views
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How do I check if a port is open in Nmap?

Jan 7, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 849 views
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What is the response from an open TCP port which is not behind a firewall?

Jan 7, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,733 views
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Is true or false the Nmap tool can be used to identify ports on a target system?

Jan 7, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,441 views
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Which Nmap scan does not completely open a TCP connection?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Nidhi
 • 16,260 points • 1,835 views
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Why is Nmap not showing open ports?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Nidhi
 • 16,260 points • 2,646 views
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Is it possible to get a list of services running on an open port?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Nidhi
 • 16,260 points • 1,032 views
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How to Detect and Secure Vulnerable Open Ports and Services?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Nidhi
 • 16,260 points • 1,255 views
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Is an Open Port on a Firewall Without a Service Bound to It a Security Vulnerability?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Nidhi
 • 16,260 points • 1,135 views
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How to Secure Windows Services with Open Ports Without Compromising Functionality?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Nidhi
 • 16,260 points • 814 views
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Does Nmap Report Open Ports Indicate Active Services or Just Firewall Configuration?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 956 views
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How to Speed Up Nmap SSL Service Detection on Non-Standard Ports?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,563 views
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What is IP address conflict with another system on the network?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 892 views
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How secure is binding to localhost in order to prevent remote connections?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,049 views
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Is renaming folders & files and changing file types an effective solution for file security of a PC?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,328 views
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What is the difference between data flow and control flow?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 3,324 views
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Are Security Controls Overlapping?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 811 views
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What are the categories of security control?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 984 views
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Are control categories actually exclusive in security?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 610 views
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What are the steps of risk assessment in information security?

Jan 6, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 835 views
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Is Backup a Preventive or Corrective Control?

Jan 2, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 2,031 views
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What are the Design Flaws of the WPS PIN System and How Can it be Secured for Future Use?

Jan 2, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,528 views
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How Secure Are Virtual Machines?

Jan 2, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 753 views
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Can I take CompTIA Security+ online?

Jan 2, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,173 views
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What is the hardest part of the Security+ exam?

Jan 2, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,129 views
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Are GIAC certs open book (unlike CISSP)?

Jan 2, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 1,911 views
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Why Should a Testing Network Be Non-Routable to the Firewall?

Jan 2, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 851 views
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Why the Something You Know Factor is Considered the Weakest in Authentication?

Jan 2, 2025 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 628 views
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How does single sign-on (SSO) enhance security in an architecture?

Dec 31, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 758 views
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Is bcrypt a hashing algorithm?

Dec 31, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 828 views
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How can I securely log user metadata without exposing personally identifiable information (PII) in a web app?

Dec 31, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 758 views
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How can I securely log user metadata (IP addresses) without compromising privacy in a web app?

Dec 31, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 966 views
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Is the MFA push notification approval/deny method safe in O365? Concerns over phishing risks and user behavior?

Dec 31, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 918 views
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Why isn't AES-256 with Argon2i-based memory hardening used for at-rest file encryption?

Dec 31, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 696 views
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Which of the following poses the greatest risk to an organization's computer network security?

Dec 31, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 943 views
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How secure is a hardened Google Chrome + EMET 5.1 setup against browser-based threats for a small business?

Dec 31, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 517 views
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What are the best practices and templates for documenting threat models for cloud-based messaging services?

Dec 30, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 657 views
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How to prevent CSP bypass and resource access from internal servers via code injection?

Dec 30, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 621 views
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What’s the purpose of the secret in express-session? How does it mitigate threats?

Dec 30, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 900 views
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What is the threat model for mobile security when the attacker has root access?

Dec 30, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 668 views
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How to regain SSH access without alerting a threat actor?

Dec 30, 2024 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 684 views
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