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Cyber Security Questions & Answers

Browse 838 Cyber Security questions and answers from learners and industry experts. Find practical fixes, interview prep and step-by-step solutions - or ask your own.

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Through which website can I check my client for TLS 1.2?

Is there a publicly accessible website which will only accept TLS 1.2 connections so that I can test to see if my application can successfully,…

Cyber Security

1 Answer · 692 Views · Answered ✓

Asked by: Amit Sinha · 4 years ago

How can I protect myself or my clients against KRACK patch?

I am unclear on which of the following steps are sufficient to protect a WPA2-based wifi connection from the KRACK flaw:Patching the AP (e.g.…

Cyber Security

1 Answer · 708 Views · Answered ✓

Asked by: Andrea Bailey · 4 years ago

Why is Diginotar CA still in my Mozilla Firefox?

I was just checking in my browser trusted certificates and surprisingly I saw that DigiNotar CA is there... as we know DigiNotar suffered a security…

Cyber Security

1 Answer · 976 Views · Answered ✓

Asked by: Aalap prabhakaran · 4 years ago

LDAP vs Kerberos - Which is better?

Can anyone describe/outline the relative merits of using Kerberos or LDAP for authentication in a large heterogeneous environment?AndCan we switch…

Cyber Security

1 Answer · 754 Views · Answered ✓

Asked by: Andrea Bailey · 4 years ago

How is HMAC SHA-256 different from SHA256?

Is there anything different about how secure these two hashing algorithms are? Does HMAC "fuse" the data and the key in a special way that's more…

Cyber Security

2 Answers · 7.8K Views · Answered ✓

Asked by: Anil Jha · 4 years ago

Are the mails from mailer-daemon@googlemail.com authentic?

Some months ago, I started to receive some emails from "Mail Delivery Subsystem" (mailer-daemon@googlemail.com). Despite this being an "automatic"…

Cyber Security

3 Answers · 10.9K Views · Answered ✓

Asked by: Andrew Jenkins · 4 years ago

Kerberos vs LDAP - Which is more secure for authentication?

Can you describe/outline the relative merits of using Kerberos or LDAP for authentication in a large heterogeneous environment?And Can we switch…

Cyber Security

1 Answer · 620 Views · Answered ✓

Asked by: Alison Kelly · 4 years ago

Is the noreply facebookmail com real?

I received an email, I was not aware I had credits or credits existed on Facebook and apparently I have $2.30 worth. It looks legitimate at first…

Cyber Security

1 Answer · 17.4K Views · Answered ✓

Asked by: ankur Dwivedi · 4 years ago

RSA vs DSA vs ECDSA - What's the difference?

In my /etc/ssh/ directory, I can see three keys which contains three different types of ssh keys:-rw------- 1 root root 607 Oct 4 22:43…

Cyber Security

1 Answer · 1.3K Views · Answered ✓

Asked by: Andrea Bailey · 4 years ago

How is netcat different from nmap banner grab?

I am preparing for a security exam and a question I failed in a practice has the following: A command line tool that can be used for banner grabbing…

Cyber Security

1 Answer · 1.1K Views · Answered ✓

Asked by: ananya Pawar · 4 years ago

How can I decrypt SD card after factory reset?

Two month ago, I encrypted my Micro SD card in my Android device (Samsung Galaxy S5) for security purposes, and yesterday I forgot to decrypt it…

Cyber Security

1 Answer · 728 Views · Answered ✓

Asked by: Andrea Bailey · 4 years ago

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