Trending questions in Cyber Security & Ethical Hacking

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How to scan for ports opened by TCP/UDP sockets with Nmap or any other tool?

To effectively scan a system for open ...READ MORE

Feb 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 292 views
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What are the negative aspects of creating fake security footprints?

Creating fake security footprints, such as misleading ...READ MORE

Feb 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 290 views
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Can there be multiple private keys for one public key?

In traditional public-key cryptography systems like RSA ...READ MORE

Feb 11 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 347 views
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How secure is the hashing/salting/stretching process as described in this diagram?

When storing passwords securely, employing a combination ...READ MORE

Feb 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 358 views
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Can a web server be secured with just a firewall?

Relying solely on a firewall to secure ...READ MORE

Feb 12 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 299 views
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Should I allow apps to communicate through Windows Firewall?

When Windows Firewall prompts you to allow ...READ MORE

Feb 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 262 views
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Why use manual testing for web server attacks if scanners can detect vulnerabilities?

While automated security scanners are valuable tools ...READ MORE

Feb 12 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 288 views
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Why trust Nmap's reverse lookup for hostnames during discovery?

Nmap, a widely-used network scanning tool, performs ...READ MORE

Feb 12 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 265 views
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How do firewalls handle encrypted traffic?

Firewalls play a crucial role in network ...READ MORE

Feb 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 233 views
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Why do passwords need to be salted?

Salting is a crucial practice in password ...READ MORE

Feb 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 312 views
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How to exploit LDAP injection?

LDAP injection is a security vulnerability that ...READ MORE

Feb 14 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 202 views
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Why do digital signatures need different algorithms?

Digital signatures are essential in modern cryptography ...READ MORE

Feb 11 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 284 views
0 votes
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How to map a network passively with Wireshark dumps?

Passive network mapping involves analyzing existing network ...READ MORE

Feb 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 221 views
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Should I allow communication on public networks?

When connecting to public Wi-Fi networks, such ...READ MORE

Feb 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 212 views
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How is the digital certificate sent alongside digital signatures?

When a digital signature is applied to ...READ MORE

Feb 11 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 266 views
0 votes
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Why don't we use hash-based digital signatures everywhere?

Hash-based digital signature schemes, such as Lamport ...READ MORE

Feb 11 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 263 views
0 votes
1 answer

How secure is the hashing, salting, and stretching process in this diagram?

Evaluating the security of your password hashing, ...READ MORE

Feb 11 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 261 views
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Why don't digital signatures reveal the sender’s private key?

Digital signatures are a cornerstone of modern ...READ MORE

Feb 11 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 250 views
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How does salting increase security?

Salting is a fundamental technique in cryptography ...READ MORE

Feb 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 253 views
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Can I protect against password hacking just by salting the previous-hash?

Enhancing password security is crucial in safeguarding ...READ MORE

Feb 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 247 views
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Does a digital certificate contain a private key?

Digital certificates are fundamental components of public ...READ MORE

Feb 11 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 223 views
0 votes
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Any reason I shouldn't be salting and hashing before putting through bCrypt?

When implementing password security with bcrypt, it's ...READ MORE

Feb 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 239 views
0 votes
1 answer

Would re-salting passwords regularly in-/decrease security?

Regularly re-salting and re-hashing stored passwords—changing the ...READ MORE

Feb 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 212 views
0 votes
1 answer

Is salting a hash more secure than encrypting it?

When securing passwords, it's essential to understand ...READ MORE

Feb 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 211 views
0 votes
0 answers

Why can I ping a server, but an Nmap normal scan cannot see the host?

I'm trying to scan a network using ...READ MORE

Feb 7 in Cyber Security & Ethical Hacking by Anupam
• 18,960 points • 158 views
0 votes
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
 • 31,260 points • 952 views
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What is the difference between hashing and masking?

Hashing and masking are two distinct techniques ...READ MORE

Jan 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 758 views
+1 vote
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How to lock a pen drive with a password on a mobile device?

In order to password-protect a USB (pen) ...READ MORE

Nov 7, 2024 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 3,422 views
0 votes
1 answer

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
 • 31,260 points • 686 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
 • 31,260 points • 614 views
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Does obfuscation provide true encryption and is it very secure?

Obfuscation and encryption are both techniques used ...READ MORE

Jan 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 326 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
 • 31,260 points • 601 views
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What are the three most common techniques used to obfuscate data?

Data obfuscation involves transforming data to conceal ...READ MORE

Jan 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 320 views
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Why is XOR used in cryptography?

The XOR (exclusive OR) operation is fundamental ...READ MORE

Jan 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 319 views
0 votes
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Is there a reason why legit websites are using this type of obfuscation?

Legitimate websites employ code obfuscation for several ...READ MORE

Jan 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 288 views
0 votes
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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
 • 31,260 points • 503 views
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How to spamproof a mailto link?

Protecting email addresses in mailto links from ...READ MORE

Jan 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 253 views
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How to avoid key-loggers when authenticating access?

Keyloggers are malicious tools that record keystrokes ...READ MORE

Jan 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 250 views
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How to best obfuscate a built-in key in an application?

Embedding a key directly within an application's ...READ MORE

Jan 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 249 views
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Is encoding the same as encryption for malware obfuscation?

Encoding and encryption are distinct techniques that ...READ MORE

Jan 13 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 248 views
0 votes
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What are the security risks of expired SSL certificates?

An expired SSL certificate poses several security ...READ MORE

Jan 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 350 views
0 votes
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
 • 31,260 points • 498 views
0 votes
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Which hashing algorithm does not have known collision attacks?

When selecting a hashing algorithm, it's crucial ...READ MORE

Jan 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 301 views
0 votes
1 answer

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
 • 31,260 points • 422 views
0 votes
1 answer

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
 • 31,260 points • 416 views
0 votes
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What is collision resistance in a hash function?

Collision resistance is a fundamental property of ...READ MORE

Jan 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 254 views
0 votes
1 answer

Is encryption in HTTPS done by the browser or by the system?

When a browser establishes an HTTPS connection, ...READ MORE

Jan 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 250 views
0 votes
1 answer

How is the public key included in the CSR?

When creating a Certificate Signing Request (CSR), ...READ MORE

Jan 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 239 views
0 votes
1 answer

Is HTTP Authorization header encrypted?

When transmitting an HTTP Authorization header over ...READ MORE

Jan 10 in Cyber Security & Ethical Hacking by CaLLmeDaDDY
 • 31,260 points • 234 views
0 votes
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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
 • 31,260 points • 558 views
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