Tech support scammers are up to dirty tricks again, trying to cause your computer to freeze by simply visiting a webpage.
Graham Cluley drew my attention the other day to an issue that has apparently been known to some for years, but was new to me: clipboard poisoning, an issue where a website can replace what you think is on your clipboard with something else. Although this seems like an insignificant issue on first glance, it turns out that there are some very serious implications.
A new fake Flash Player update appropriately named FlashPlayer11.safariextz was found. After being installed, it will begin to inject very rough advertisements on any website you visit.