Nothing is so humorous as when the web site of a security vendor gets hacked. OK, OK, it was hilarious when the RIAA site was hacked, too. And I’ll admit: it’s probably not as funny if it’s your security vendor.A Trend Micro spokesman confirmed that the company’s site had been hacked Thursday, saying that the attack took place earlier in the week. “A portion of our site — some pages were attacked,” said Mike Sweeny, a Trend Micro spokesman. “We took the pages down overnight Tuesday night — and took corrective