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47 votes

Accepted

Is this a backdoor?

answered Oct 20, 2014 at 4:13

31 votes

Accepted

Why doesn't the TLS protocol work without the SSLv3 ciphersuites?

answered Oct 16, 2014 at 6:50

29 votes

Accepted

Is there a way to detect web server in case it's not present in HEADER?

answered Sep 29, 2014 at 8:58

23 votes

How to explain to a customer that spamfilters don't catch everything

answered Oct 14, 2014 at 14:08

21 votes

Are single case alphanumeric passwords the most user friendly?

answered Oct 13, 2014 at 11:52

20 votes

What is different about being targeted by a professional attacker?

answered Oct 5, 2014 at 5:22

19 votes

What are the security reasons for disallowing the plus sign in email addresses?

answered Aug 13, 2014 at 5:59

18 votes

Is it possible to identify who's behind a nmap -D scan?

answered Oct 2, 2014 at 7:46

14 votes

Attack scenarios of the new Bash vulnerability

answered Sep 25, 2014 at 6:58

10 votes

What's the diff between blocking a port with a firewall and not starting a service on that port in the first place?

answered Jan 25, 2015 at 7:01

8 votes

Is the Google address being spoofed on my computer?

answered Sep 15, 2014 at 3:03

7 votes

What stops a developer from accessing credit card details and other secret data from a company

answered Oct 31, 2014 at 2:37

7 votes

Privacy of Image search with https

answered Oct 12, 2014 at 12:58

7 votes

How to use a stolen cookie?

answered Oct 21, 2014 at 10:51

6 votes

Security of a Random Password

answered Sep 17, 2014 at 14:32

5 votes

Accepted

Is it wrong to root login with SSH?

answered Sep 8, 2014 at 3:08

5 votes

Authentication: Username (email) and password hashed together in one database field

answered Oct 12, 2014 at 4:21

4 votes

Force a connection via SSL3 to detect POODLE vulnerability

answered Oct 17, 2014 at 9:32

4 votes

Double encryption with home brew algorithm

answered Jul 18, 2015 at 11:21

4 votes

Thousands of 404s from various search engines

answered Aug 22, 2015 at 2:45

3 votes

My sendmail started sending spam; what is causing it to do so?

answered Jan 31, 2015 at 17:01

3 votes

How is a biometric authentication system secure?

answered Oct 9, 2014 at 4:06

2 votes

Accepted

Closely spaced failed logins in auth.log

answered Sep 18, 2014 at 2:37

2 votes

Is it a good practice to show 403 unauthorized access error to user?

answered Dec 6, 2013 at 11:07

2 votes

Is my service provider hacked and what can I do to protect myself?

answered Dec 21, 2013 at 15:20

1 vote

How secure is this method to remember security questions?

answered Aug 30, 2014 at 2:33

1 vote

Ubuntu backup to only specific devices

answered Sep 12, 2014 at 1:46

1 vote

Isn't all security "through obscurity"?

answered Oct 21, 2013 at 5:19

1 vote

Accepted

Reconnaissance countermeasures

answered Oct 7, 2014 at 14:16

1 vote

Accepted

Should I validate authentication form inputs?

answered Sep 26, 2014 at 11:24

Stack Exchange Network

34 Answers

Is this a backdoor?

Why doesn't the TLS protocol work without the SSLv3 ciphersuites?

Is there a way to detect web server in case it's not present in HEADER?

How to explain to a customer that spamfilters don't catch everything

Are single case alphanumeric passwords the most user friendly?

What is different about being targeted by a professional attacker?

What are the security reasons for disallowing the plus sign in email addresses?

Is it possible to identify who's behind a nmap -D scan?

Attack scenarios of the new Bash vulnerability

What's the diff between blocking a port with a firewall and not starting a service on that port in the first place?

Is the Google address being spoofed on my computer?

What stops a developer from accessing credit card details and other secret data from a company

Privacy of Image search with https

How to use a stolen cookie?

Security of a Random Password

Is it wrong to root login with SSH?

Authentication: Username (email) and password hashed together in one database field

Force a connection via SSL3 to detect POODLE vulnerability

Double encryption with home brew algorithm

Thousands of 404s from various search engines

My sendmail started sending spam; what is causing it to do so?

How is a biometric authentication system secure?

Closely spaced failed logins in auth.log

Is it a good practice to show 403 unauthorized access error to user?

Is my service provider hacked and what can I do to protect myself?

How secure is this method to remember security questions?

Ubuntu backup to only specific devices

Isn't all security "through obscurity"?

Reconnaissance countermeasures

Should I validate authentication form inputs?