Silicon reports that thanks to the introduction of CCTV, sophisticated alarm systems and forensic methods, bank robbers have changed tactics - the risk of getting caught for forced entry is just too high.
Businessmen use technology to make their businesses more efficient - it would be foolish to assume criminals don't use it in a similar way. They can then glean the information they can't get digitally by paying off poorly-paid staff..
According to the Financial Services Authority, criminal gangs are now placing shady people in banks. These 'employees' observe the bank's security systems and then report bank on the weaknesses to their leaders.