There have been reports over the last few weeks that CAPTCHA the popular tool used by many websites to thwart spammers is being attacked. CAPTCHA is the hard to read squiggly text that users are asked to decipher in an effort to tell real human users apart from automated bots. Free email services such as Gmail, Yahoo or Live Mail all use some form of CAPTCHA to prevent spammers from utilizing automated scripts to create large numbers of user accounts to be then used for spam-mail.

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Most of us know about phishing by now. Those annoying emails coming from a bank you don’t even do business with, telling you in poor grammar and spelling to update your account settings by visiting a website with a strange looking URL. The more clever ones, such as the genuine-looking messages posing as eBay or PayPal customer support, have lured many people into exposing their account credentials and still pose a significant threat to the uninformed.

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Another chapter in the saga surrounding millions of missing White House emails was written this week, when judge John Facciola ordered the Bush administration to collect and preserve all emails stored in .pst files including data copied onto portable media such as flash drives.

While there are many theories about the missing emails, reaching from government conspiracy to sheer incompetence, I would side with the latter.

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Just in case there has been any doubt, here is another example of how all electronic communications can be used in court. This eWeek article covers the recent subpoena issued by New York City, to obtain text-messaging records and recipient information related to protests during the Republican National Convention in July of 2004. The event was orchestrated through the now infamous TXTmob tool, which was created by Tad Hirsch, a doctorial candidate at MIT.

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Coincidently, a couple of days after I had posted the blog entry about spammers now targeting cell phones, I received a couple of unsolicited text messages. I don’t really use texting, since I have a Blackberry and prefer email and IM instead. Consequently I don’t subscribe to any texting plan. I had previously made a mental note to check what anti-spam tools my cell carrier - Verizon - had available to control the inbound text message stream. Now was a good time to follow-up on that.

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We all receive emails from automated services such as payment reminders, news alerts or other opt-in communications. The emails are computer-generated and the sender typically includes a notice asking the recipient not to reply to the message, since the sending account is not being monitored. Apparently, some companies go one step further and put an invalid return address in the message envelope.

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