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sebastian nielsen's user avatar
sebastian nielsen's user avatar
sebastian nielsen's user avatar
sebastian nielsen
  • Member for 9 years, 9 months
  • Last seen more than a month ago
227 votes
Accepted

How can RFID/NFC tags not be cloned when they are passive technology?

33 votes
Accepted

How do RSA SecureID ® Keys Work?

20 votes

Is UPnP still insecure?

16 votes
Accepted

Why do smartphones limit the amount of fingerprints that can be recorded?

13 votes
Accepted

Protected excel sheet is unprotected without permission in google spreadsheet

12 votes
Accepted

What are HSTS Super Cookies?

11 votes

Copy protection in SD cards

11 votes
Accepted

No HTTPS on credit card entry form - can it be safe?

10 votes
Accepted

How does one properly check foreign USB Drives before getting them in your Network? Is the presented approach considered "safe"?

9 votes

Is this a secure way to generate passwords at the command line?

8 votes

Verifying credit card ownership

8 votes

What agency digitally signed Cryptowall 2.0 so that it can run without being detected?

8 votes

If most ATMs are Windows XP, and Windows XP is no longer updated...?

7 votes
Accepted

How is github 2FA personal access token more secure than passphrase?

7 votes
Accepted

Car Key Security Questions

7 votes
Accepted

Did I just give away my credentials by trying to connect to the wrong VPN?

7 votes
Accepted

Is automatic login with full disk encryption a risk?

7 votes

Is CAPTCHA necessary when I use an anti-CSRF token?

7 votes

What are the security differences between SMIME email and PGP email?

7 votes
Accepted

Is this encrypted information? Why is it in a URL?

7 votes
Accepted

"fake" phishing mails from CST

7 votes
Accepted

What is the purpose of SSL Certificate Authority (CA)?

6 votes

Why do inflight wifi networks display a captcha?

6 votes

How to securely store and manage one-time backup codes for 2FA?

6 votes
Accepted

Revoke and regeneration in FIDO U2F / FIDO UAF

6 votes
Accepted

How to protect against viruses that takes files as hostages by encrypting them?

6 votes

How is HSM access gated?

5 votes
Accepted

Is it necessary to enable SSL for client and server that run in same machine?

5 votes
Accepted

In a TOTP implementation, does there need to be an expiration policy for the user's secret key?

5 votes

Cases where DBAN has won

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