Internet Consumer Tip: Don’t Blur Account Numbers

BoingBoing picked up a tip from a person claiming to be able to unblur photoshop’s mosaic filters, possibly revealing sensitive info on checks/whathaveyou that you’ve posted to the internet during the course of your consumer blogging.

Oh no! What should you do? Paste black bars over the info, that’s our technique of choice.

Why blurring sensitive information is a bad idea [dheera via BoingBoing]