The San Francisco man who attempted to sell more than 100,000 credit card numbers for $260,000 at San Francisco International Airport’s smoking room in May, pleaded guilty yesterday in federal court. The 37 year old man will be sentenced Nov. 25 and faces 30 years and a $1 million fine.. According to the FBI the man hacked his way into a San Diego ISP’s server using an access account for the University of California and then employed a packet sniffer to steal the card numbers. The FBI uncovered the security breach, made two small buys from the hacker with the final sting coming May 21.