ATM Security: an oxymoron?

At MSNBC's Red Tape Chronicles, Bob Sullivan has posted a new article entitled "ATM System Called Unsafe"

... Using the methods outlined by the researchers, a hacker could siphon off thousands of PIN codes and compromise hundreds of banks, said Odelia Moshe Ostrovsky, the report’s principal author.

and

... many supposedly tamper-proof cryptographic systems can be fooled into divulging information by sending them confusing commands.

and

... a would-be ATM hacker could use flaws in the way banks generate PINs that could reduce the number of average guesses required to mathematically discover a PIN from 5,000 to as few as 15.