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Martin Vegter's user avatar
Martin Vegter's user avatar
Martin Vegter's user avatar
Martin Vegter
  • Member for 10 years, 9 months
  • Last seen this week
  • Zürich, Switzerland
78 votes
16 answers
17k views

Ensure that a file can only be decrypted after a specific date

69 votes
3 answers
33k views

SSH: benefits of using hashed known_hosts

32 votes
5 answers
32k views

What does LUKS header contain?

26 votes
4 answers
5k views

Linux-based Turla trojan

26 votes
5 answers
2k views

What concrete parameters can I change to make my passphrase-protected private gpg key more secure

24 votes
6 answers
17k views

Why does IV not need to be secret in AES CBC encryption?

21 votes
7 answers
5k views

Defence Against Keyboard Keylogger

16 votes
3 answers
4k views

remote desktop connection to a potentially compromised machine

13 votes
2 answers
950 views

concrete real-life examples where grsecurity prevented an exploit

11 votes
5 answers
1k views

Security of root terminal (su -) when logged into X

10 votes
1 answer
1k views

What gpg defaults can be improved, when performance is not an issue?

8 votes
1 answer
7k views

How to change personal cipher/digest preferences of existing OpenPGP key in GnuPG?

6 votes
3 answers
332 views

find if 0-day flash bug was exploited (on a particular machine)

6 votes
3 answers
6k views

How safe are Firefox addons from official mozilla.org site?

5 votes
3 answers
3k views

Saving random seed on restart/shutdown, and restoring it during system boot

3 votes
1 answer
412 views

using HW random number generator as source of entropy

3 votes
5 answers
2k views

Running Firefox as unprivileged user on Linux

3 votes
2 answers
6k views

user data accessible through javascript in browser

3 votes
1 answer
1k views

Personal cipher/digest preferences ignored when generating a new key pair in GnuPG

3 votes
1 answer
426 views

How can AES-CBC be used for LUKS encryption, when the ciphertext is not static?

2 votes
2 answers
4k views

best practice for encrypted filesystem inside a file

2 votes
1 answer
339 views

using multiple Firefox profiles to increase security

2 votes
1 answer
3k views

Is Meltdown/Spectre mitigation necessary in virtual machine as well as in hypervisor? [duplicate]

2 votes
2 answers
932 views

changing defaults when generating new SSH server keys

2 votes
2 answers
843 views

are new CPUs still vulnerable to attacks like Spectre and Meltdown?

1 vote
1 answer
323 views

using booby-trapped video to find IP address

1 vote
1 answer
208 views

are small SOC chips also affected by Meltdown and Spectre?

1 vote
0 answers
353 views

How can access to Intel ME / AMT be disabled with firewall? [duplicate]

0 votes
1 answer
680 views

user namespaces: do they increase security, or introduce new attack surface?

0 votes
1 answer
400 views

compromising DVRs to become bitcoin mining bot [duplicate]