Most answered questions in Cyber Security & Ethical Hacking

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Which is better: SSH RSA or SSH DSS?

When comparing SSH key types, RSA (Rivest–Shamir–Adleman) ...READ MORE

Jan 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 266 views
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Which SSH security is stronger?

Ensuring robust SSH security involves careful selection ...READ MORE

Jan 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 89 views
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Is SSH public key authentication secure?

SSH public key authentication is generally more ...READ MORE

Jan 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 84 views
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Which SSH key is more secure?

When selecting an SSH key type for ...READ MORE

Jan 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 87 views
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How to determine the hashing algorithm of a public key in the certificate?

To determine the hashing algorithm used to ...READ MORE

Jan 8 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 130 views
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Does a private key always generate the same public key?

Yes, a private key always generates the ...READ MORE

Jan 8 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 123 views
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Can there be multiple private keys for one public key?

In public-key cryptography, each public key is ...READ MORE

Jan 8 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 123 views
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Why should you not block or close ports in a firewall?

Blocking or closing ports in a firewall ...READ MORE

Jan 8 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 99 views
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Why does Nmap show closed ports?

When Nmap reports a port as closed, ...READ MORE

Jan 8 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 114 views
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How do I check if a port is open in Nmap?

To check if a specific port is ...READ MORE

Jan 8 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 113 views
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What is the response from an open TCP port which is not behind a firewall?

When you send a TCP SYN packet ...READ MORE

Jan 8 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 345 views
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Is true or false the Nmap tool can be used to identify ports on a target system?

True, Nmap is a versatile network scanning ...READ MORE

Jan 8 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 144 views
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1 answer

Which Nmap scan does not completely open a TCP connection?

In Nmap, the SYN scan (-sS) is ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 224 views
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Why is Nmap not showing open ports?

When Nmap fails to detect open ports ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 193 views
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Is it possible to get a list of services running on an open port?

Yes, it is possible to identify services ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 149 views
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How to Detect and Secure Vulnerable Open Ports and Services?

Detecting and securing vulnerable open ports and ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 186 views
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Is an Open Port on a Firewall Without a Service Bound to It a Security Vulnerability?

An open port on a firewall without ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 159 views
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How to Secure Windows Services with Open Ports Without Compromising Functionality?

Securing Windows services that require open ports ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 130 views
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1 answer

Does Nmap Report Open Ports Indicate Active Services or Just Firewall Configuration?

When Nmap reports a port as open, ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 108 views
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1 answer

How to Speed Up Nmap SSL Service Detection on Non-Standard Ports?

Scanning for SSL services on non-standard ports ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 116 views
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What is IP address conflict with another system on the network?

An IP address conflict occurs when two ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 139 views
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How secure is binding to localhost in order to prevent remote connections?

Binding a server to localhost (127.0.0.1) is ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 128 views
0 votes
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Is renaming folders & files and changing file types an effective solution for file security of a PC?

Renaming files or changing their extensions to ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 139 views
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1 answer

What is the difference between data flow and control flow?

In programming and systems design, control flow ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 360 views
0 votes
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Are Security Controls Overlapping?

In information security, overlapping controls, where a ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 113 views
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What are the categories of security control?

Security controls are essential measures implemented to ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 134 views
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Are control categories actually exclusive in security?

In information security, controls are commonly categorized ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 104 views
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What are the steps of risk assessment in information security?

Conducting a comprehensive risk assessment in information ...READ MORE

Jan 7 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 148 views
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Is Backup a Preventive or Corrective Control?

In security frameworks, controls are categorized into ...READ MORE

Jan 3 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 219 views
0 votes
1 answer

What are the Design Flaws of the WPS PIN System and How Can it be Secured for Future Use?

Wi-Fi Protected Setup (WPS) was introduced to ...READ MORE

Jan 3 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 146 views
0 votes
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How Secure Are Virtual Machines?

Virtual machines (VMs) are widely used to ...READ MORE

Jan 3 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 92 views
0 votes
1 answer

Can I take CompTIA Security+ online?

Yes, you can take the CompTIA Security+ ...READ MORE

Jan 3 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 119 views
0 votes
1 answer

What is the hardest part of the Security+ exam?

Preparing for the CompTIA Security+ exam involves ...READ MORE

Jan 3 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 163 views
0 votes
1 answer

Are GIAC certs open book (unlike CISSP)?

Yes, GIAC (Global Information Assurance Certification) exams ...READ MORE

Jan 3 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 119 views
0 votes
1 answer

Is the MFA push notification approval/deny method safe in O365? Concerns over phishing risks and user behavior?

Multi-Factor Authentication (MFA) using push notifications in ...READ MORE

Jan 2 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 134 views
0 votes
1 answer

Why isn't AES-256 with Argon2i-based memory hardening used for at-rest file encryption?

Combining AES-256 encryption with Argon2i key derivation ...READ MORE

Jan 2 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 120 views
0 votes
1 answer

How can I control the use of admin tools like IP scanners and PsExec to prevent misuse?

Admin tools like IP scanners and PsExec ...READ MORE

Dec 31, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 127 views
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1 answer

How to interpret cost comparison for changes in organizational security procedures?

Interpreting a report that compares the costs ...READ MORE

Dec 31, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 109 views
0 votes
1 answer

What are the relative costs involved in making changes to the current organizational security?

Evaluating the costs associated with enhancing your ...READ MORE

Dec 31, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 127 views
0 votes
1 answer

How should a midsized startup approach information security and compliance?

Establishing a robust information security and compliance ...READ MORE

Dec 31, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 112 views
0 votes
1 answer

Does PCI DSS require an SAQ for each site?

When managing PCI DSS compliance for a ...READ MORE

Dec 31, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 127 views
0 votes
1 answer

Why would full disk encryption miss slack space, swap files, and memory?

Full Disk Encryption (FDE) is designed to ...READ MORE

Dec 31, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 100 views
0 votes
1 answer

What is recipient non-repudiation in secure email transport?

Recipient non-repudiation in secure email transport refers ...READ MORE

Dec 31, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 118 views
0 votes
1 answer

Why does HTTPS not support non-repudiation?

HTTPS (Hypertext Transfer Protocol Secure) is designed ...READ MORE

Dec 31, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 121 views
0 votes
1 answer

What is a 2FA attestation object for non-repudiation?

In the context of two-factor authentication (2FA), ...READ MORE

Dec 27, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 123 views
0 votes
1 answer

What is the difference between certificates with extension fields and Non-Repudiation usage?

Digital certificates, particularly X.509 v3 certificates, utilize ...READ MORE

Dec 27, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 140 views
0 votes
1 answer

What is the difference between authenticity and non-repudiation?

Authenticity and non-repudiation are fundamental concepts in ...READ MORE

Dec 27, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 156 views
0 votes
1 answer

Does SSL/TLS provide non-repudiation service?

SSL/TLS (Secure Sockets Layer/Transport Layer Security) protocols ...READ MORE

Dec 27, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 166 views
0 votes
1 answer

What is non-repudiation that can never be proven?

The term non-repudiation that can never be ...READ MORE

Dec 27, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 111 views
0 votes
1 answer

What is the difference between non-repudiation and plausible deniability?

Non-repudiation and plausible deniability are two distinct ...READ MORE

Dec 27, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 30,300 points • 194 views
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