1. 2017

    Secure email: Encrypt and sign your emails with PGP/GnuPG

    Email is fundamentally insecure. There are such a plethora of issues with it, it is crazy to think about the kind of information sent with it. It is probably even crazier when you realize we’ve had a solution for sending secure email since 1991.

  2. 2017

    Six reasons why I love WordCamps

    This weekend I was at WordCamp Berlin, met a lot of great people, and watched a lot of interesting presentations. WordCamps are actually quite informal by themselves, but at the afterparties, people are really letting their shoulders down and it often seems like people are long-time personal friends. If you open up to it, it won’t take long until people will give you feedback on whatever you have released in public.

  3. 2017

    DNS privacy: Use a DNS provider that doesn’t track you

    Many ISPs and other DNS providers are slow or inject ads, track you, hijack DNS queries or do other nasty stuff. To mitigate this, you should use a fast, reliable and free service that respects your DNS privacy.

  4. 2017

    Self-destructing cookies: Real, forced Do-Not-Track for your privacy

    This is the second post in my series of posts on some of the tools I use to stay a little safer and protect my privacy online. With self-destructing cookies, you get a clean sheet even with those who don’t respect the Do-Not-Track header.

  5. 2017

    How to perform and mitigate a WordPress session donation attack

    WordPress doesn’t use a nonce for the login form, which opens up for you to perform a WordPress session donation attack.

  6. 2017

    Immutable assets with unique URLs in WordPress for enqueued JS and CSS files

    If you’re utilizing the browser cache correctly, you’ll gain huge performance benefits for your users, as well as save bandwidth and server capacity which equals to saving money. To do this right, you must create unique URLs for all versions of your resources, and tell them to never ask for the content again by telling the browsers that the assets are immutable resources.

  7. 2017

    Secure messaging on your phone with the Signal app

    I’m running a series of posts on some of the tools I use to stay a little safer and protect my privacy online. Here’s how you can get much better secure messaging on your phone using the Signal app.

  8. 2017

    How CloudFlare handled CloudBleed

    Tavis Ormandy from Google’s Project Zero contacted Cloudflare to report a security problem with their service. It turned out that in some unusual circumstances, they would bleed memory that contained private information.

  9. 2017

    Giving users a helping hand when authorizing them in WordPress

    Inspired by how Facebook assists their users when they log in, I decided to implement something like the same for WordPress.

  10. 2017

    Tracking visitors with adblockers

    More and more users are using adblockers or surfing the web via private browsing with tracking protection. But this also affects your web analytics, as the blockers also will block analytics tracking – not only third party services like Google Analytics, but also self-hosted solutions like Piwik.