The VeriSign attacks were revealed in a quarterly U.S. Securities and Exchange Commission filing in October that followed new guidelines on reporting security breaches to investors.In written Senate testimony on Tuesday, U.S. Director of National Intelligence James Clapper called the known certificate breaches of 2011 “a threat to one of the most fundamental technologies used to secure online communications and sensitive transactions, such as online banking.” Others have said SSL as a whole is no longer trustworthy and effective.