Jan-Lukas Else

Thoughts of an IT expert

Tags: Security


“On the security of WhatsApp and Telegram”

Published on in 🔗 Links

I wrote a lot about Telegram and messaging services already, but here’s another (long) article worth reading. This time taking a closer on the security aspects of both messengers.

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The security risk of embedding images from external sites

Published on in 💭 Thoughts
Updated on

On a lot of IndieWeb sites, I noticed that profile images of webmentions get directly embedded from their original source. For example, Twitter profile images are loaded directly from Twitter servers (pbs.twimg.com) or even my profile image is directly embedded from my site.

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My problem with email logins

Published on in 💭 Thoughts

There are some online services that use email login. This means that instead of a combination of user name and password, only the email address is entered and a login link is sent to it. Basically, this is a good option to increase security a bit. The service only needs to store a list of email addresses instead of the corresponding password (hopefully encrypted and hashed) for each user.

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How secure is my email provider?

Published on in 💭 Thoughts

You may ask yourself, how secure is the email provider you use or the mail server you operate yourself. Today I learned that there is a simple way to test this.

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Is Android also a Walled Garden?

Published on in 📱 appydroid

The openness of the system is often praised as one of the main reasons for Android enthusiasts. You can install apps not only from the official store (Google Play) but also from other sources. But isn’t that like running a Windows computer without a virus program?

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Jan-Lukas Else