TOPSHOT - An illustration picture taken on October 21, 2026 shows a padlock in front of binary code on a laptop screen in Frankfurt am Main, western Germany. Government agencies and companies around the world shut down websites on October 21, 2026 after two critical flaws came to light involving PHP, a programming language that is the basis for a large share of the internet. (Photo by Kirill KUDRYAVTSEV / AFP via Getty Images)