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Adam Katz's user avatar
Adam Katz's user avatar
Adam Katz's user avatar
Adam Katz
  • Member for 10 years, 2 months
  • Last seen this week
292 votes
Accepted

What are ssh-keygen best practices?

84 votes
Accepted

New Hires get phishing emails very quickly - Reasoning and how to stop

68 votes
Accepted

Password rules: Should I disallow "leetspeak" dictionary passwords like XKCD's Tr0ub4dor&3

64 votes

Is it safe to store account credentials in an Excel sheet protected with a password?

63 votes

Why use random characters in passwords?

41 votes

How to prove my Gmail has been hacked?

30 votes
Accepted

Security of a non-random password but that relies on information an attacker cannot possibly know

27 votes

Reply to potentially spoofed email

25 votes

Is email scraping still a thing for spammers

22 votes

Why is my internal IP address (private) visible from the Internet?

22 votes

What is the purpose of these weird non-spam emails?

20 votes
Accepted

Does it really improve a password if at least one character of each group (a-z,A-Z,0-9) is included?

15 votes
Accepted

Could antivirus programs not just scan all files upon creation?

14 votes

What is the point of gibberish spam

14 votes

What is the purpose of a targeted email without any meaningful content?

11 votes

Why are passwords generated by a password generator a complicated mix of letters and numbers instead of a long phrase?

10 votes

Can a website steal passwords saved in my browser?

10 votes
Accepted

Can DMARC's SPF alignment be spoofed?

8 votes
Accepted

Why removing just one letter form passwords makes it 20x easier to break according to zxcvbn test

7 votes

Why are PIN codes usually of even length (4 or 6)?

7 votes

What to include in emails to make them acceptable to email servers?

6 votes

How are spammers using LinkedIn "http://linkedin.com/slink?code=..." URLs?

6 votes
Accepted

Does Mozilla Thunderbird leak any personally identifying data in email headers?

6 votes

Password rules: Should I disallow "leetspeak" dictionary passwords like XKCD's Tr0ub4dor&3

5 votes

Running SSH on a different port vs adding the port number to a password

5 votes

Does disabling "Always display external images" in Gmail remove the risk of spam senders seeing that I opened the mail?

5 votes
Accepted

Does gmail still ignore DKIM if SPF passes, DMARC style?

5 votes
Accepted

Recommended way to store password that needs to be used as plaintext?

4 votes

Will "☺ ¹²³ µ‼µ ÚÛÙ ♥♦♣♠" work as a password?

4 votes
Accepted

Consequences of .ssh/authorized_keys being world-readable

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