What’s happened.

On October 21, Canada’s AI and digital innovation minister Evan Solomon said the federal government had temporarily taken some of its websites offline “as a precaution to protect government systems and Canadians’ information.” The reason: developers of PHP, the programming language that runs roughly 70% of all websites according to tracker W3Techs, disclosed two critical security holes. The flaws could let an attacker run commands on a server from a distance, which in practice means access to whole servers or databases. PHP’s maintainers told site managers to take sites down or patch them as soon as a fix was available, and the move in Ottawa followed guidance from the Canadian Centre for Cyber Security. Denmark, Finland and France pulled government pages too, as did Wikipedia, the Internet Archive and 4chan. Details are in BetaKit’s report and in Wealth Professional’s account of attacks already beginning against advisor websites.

The blast radius is wide because PHP sits underneath common software your customers already run: content management systems such as WordPress and e-commerce platforms such as Adobe Magento. A fix has been published, but it only works for installations running current versions of PHP, so any customer sitting on an old release has work to do rather than a one-click update. Separately, researchers disclosed a second problem the same day involving TLS certificates, the digital documents that prove a website is who it says it is, where some were issued with very weak encryption.

What it means for your business.

If you sell managed IT, hosting, web platforms or security software to Canadian businesses, this is the week your customers are deciding who told them first. Send a plain-language note that names the PHP flaw, says whether their systems are affected, and states what you are doing about it and by when. Customers on older PHP versions cannot simply apply the fix, so flag the upgrade work now rather than after an incident. For anyone selling into federal buyers, the Cyber Centre's involvement and the site shutdowns give you a concrete reference point for remediation and patching budget conversations this quarter.

Next step: Email every customer this week with their exposure status and a dated patch or upgrade plan.

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Sources & context.

Reported developments are separated from MKTGSpace’s suggested commercial next steps. Reconfirm current conditions before acting.

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