More on the scareware I encountered yesterday morning
Some nasty ads have hit the Web browsers of visitors to NYTimes.com and some other sites in recent days. The ads, which are not authorized or endorsed by The Times, can “hijack” a person’s browser and make it appear as if a scan for viruses is running. They then promote some so-called antivirus software that is itself virus-like. The Times believes it has eliminated these ads, but if they popped up on your screen, here’s what you need to know about your computer’s security.