Nothing can be further from the truth.
ATM and Frame relay circuits are more vulnerable than dial-up connections because they are so predictable and in the same fixed locations. This makes them just as vulnerable as other forms of communication across shared networks including the telephone and the Internet. About Cylink Corporation Cylink Corporation develops, markets and supports a comprehensive family of secure e-business solutions. Founded in 1983, the Company was the first created to market security solutions that protect communications with public key cryptography. Cylink and its wholly owned subsidiaries serve Fortune 500 companies, multinational financial institutions, and government agencies worldwide.