COMPANIES TO WATCH: PUBLIC.

The article presents information on several companies offering computer security products. Akamai Technologies Inc., which operates a private data network, has security services that are built on top of the software and hardware it uses for its own network. Amazon.Com Inc., which sells cloud-based storage and processing equipment, protects customers' data by maintaining backups and physically preventing unauthorized access to data centers. EMC Corp. owns critical encryption technology RSA algorithm, which is used worldwide to encrypt sensitive information sent over the Internet.