Watch Out! This New Web Exploit Can Crash and Restart Your iPhone

It’s 2018, and just a few lines of code can crash and restart any iPhone or iPad and can cause a Mac computer to freeze.

Sabri Haddouche, a security researcher at encrypted instant messaging app Wire, revealed a proof-of-concept (PoC) web page contain… Continue reading Watch Out! This New Web Exploit Can Crash and Restart Your iPhone

How to crash and restart an iPhone with a CSS-based web attack

A security researcher has revealed a method of crashing and restarting iPhones and iPads, with just a few lines of code that could be added to any webpage.
Read more in my article on the Hot for Security blog.
Continue reading How to crash and restart an iPhone with a CSS-based web attack

How do I let users point to their own images, yet avoid Mixed Content warnings?

I allow users of my webapp to provide a URL for their own images. They can also provide CSS which may contain URLs to images.

If these URLs are HTTP then the browser does not show the padlock in the URL bar.

What is the best practice for… Continue reading How do I let users point to their own images, yet avoid Mixed Content warnings?