Security

A collection of 48 posts

May 13, 2020

Security awareness quiz questions

Security awareness quiz questions

Ashar Javed had an interesting idea to create security awareness quiz questions and asked me if I wanted to cooperate. The idea is to make this a community effort and make these questions

Apr 14, 2020

Encoding != Encryption != Hashing

Encoding != Encryption != Hashing

This is a very quick and highly simplified explanation about encoding, encryption and hashing and how they are different. Today I tweeted this: encoding != encryption != hashing You can decode, decrypt but there'

Mar 31, 2020

My favorite security quotes

My favorite security quotes

I love good security quotes, aphorisms and statements because they often hold a lot of truth and wisdom. That's why I decided to bundle the ones I like in a blog. I can't

Jan 13, 2020

SMS based 2FA is better than no 2FA

SMS based 2FA is better than no 2FA

Two layers of defense are better than one layer of defense. This seems logic. But every now and then I end up in a discussion - mainly on Twitter - where people tell

Oct 29, 2019

Why you should keep your software up to date

Why you should keep your software up to date

Out of date or not regularly updated operating systems and applications put you at risk because they have a lot of vulnerabilities. Many of these vulnerabilities can be easily detected and exploited by

Oct 23, 2019

Be careful what you share

Be careful what you share

Would you tell a total stranger your password? The obvious reaction is: "Of course not!" But look at this video. Some people just straight away tell what their password is when they're asked

Oct 21, 2019

Why security matters when you buy a smartphone

Why security matters when you buy a smartphone

People use their smartphone, that's continuously connected to the internet, more than any other device. While it's the entry point to their entire digital life, strangely enough for most people security is not