John Opdenakker

John Opdenakker

Blogger | #Infosec | #AppSec | Security awareness | Occasional Public Speaker | Cycling | Running | Enjoying life

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Oct 27, 2019

How to stay safe on social media

How to stay safe on social media

Using social media is not as innocent as it looks. There are several security and privacy risks lurking around the corner. It's important to be on your guard. In this post I'll give

Oct 26, 2019

Sextortion scams - What you need to know

Sextortion scams - What you need to know

In these series I covered already several forms of online crime, for instance ransomware, phishing and tech support scams. They all have something in common, deception techniques. Criminals try in every possible way

Oct 25, 2019

Help your children stay safe online

Help your children stay safe online

With the blogs in this series I want to reach not only my typical audience, security professionals, but especially less security aware people to help them improve their personal security. If you think

Oct 24, 2019

How to control your online exposure

How to control your online exposure

What do you do if you want to know more about someone? You'll do a search on their name in your favorite search engine, right? And your image about that person will be

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

Oct 20, 2019

Security and privacy enhancing tools

Security and privacy enhancing tools

With the blogs in this series I want to reach not only my typical audience, security professionals, but especially less security aware people to help them improve their personal security. If you think

Oct 18, 2019

Browser password managers - a good idea?

Browser password managers - a good idea?

Browsers by default offer you to store the usernames and passwords you enter on websites. This might be very convenient. But can you trust browser password managers to store your passwords?