These arrests also highlight the U.S. vulnerability to crimes involving payment cards with magnetic stripes. "The U.S. is a criminal's playground right now," says John Buzzard of FICO Card Alert Service.
UBS's $2 billion loss to rogue trading provides lessons for all banks. What's missing in today's financial institution culture is a balance between profits, ethics and governance, says risk management expert Frances McLeod.
With the Swiss bank offering new details about the severity of its trading scandal, industry experts share insights on risk management and the failure of systems and staff to detect unauthorized trades.
From 2004 to 2010, Latesha Brown used her privileges to accept and submit forged birth certificates, pay stubs and other documents to obtain loans at several institutions. How did she go undetected for so long?
"You can't have someone arrested for violating your policies," says former Bear Stearns CISO Jennifer Bayuk. "The question is: What did he do, and was there a policy that would have prevented the activity?"
Are executives spending too much time and energy focused on external hacks, sacrificing attention they should be paying to internal threats? It's good that business leaders understand insiders pose risks, but are they taking those risks as seriously as they should?
"If [employees] aren't being treated right and they don't think leaders at the bank are running the bank correctly, they can rationalize committing fraud," says banking/security expert George Tubin on the risk of insider crimes.
According to FINRA, Citi's negligence in adequately supervising Tamara Moon, a former sales assistant at a Citi branch in Palo Alto, Calif., resulted in $749,978 being skimmed from the accounts of 22 Citi customers.
"The first step is for banks to admit there is a problem before they can address it, and many bankers are still in denial," says Shirley Inscoe, author of the book "Insidious: How Trusted Employees Steal Millions and Why It's So Hard for Banks to Stop Them."
As more criminals target branch ATMs, industry experts wonder if links to insider fraud might not be to blame. Recent brazen attacks prove even in a bank or credit union lobby, ATM skimming can strike.
Insider fraud expert Shirley Inscoe says Citi is not the only financial institution that's doing a poor job of keeping up with employee misconduct. Few banking institutions grasp how damaging inside jobs actually are.
"Any other bank could have just as easily been victimized," says banking fraud expert Shirley Inscoe, following the arrest of a former Citigroup executive charged with embezzling more than $19 million.