Firewall vendor Imperva is launching a database protection appliance later this year geared to protect organizations from attack or misuse.

The SecureSphereT Database Security Gateway sits between the firewall and database, monitoring information requests and comparing them against dynamically-generated profiles generated by user traffic metrics, Imperva said.

When a suspect request is noticed, such as a request for the social security number or credit number of everyone in the database, an alert is sent to the IT staff warning them of potential breach.

Alan Norquist, Imperva vice president of marketing, said database protection is a must for any company that keeps confidential information on its network, not only from a security and compliance standpoint, but from a public relations one as well.

''If you lose five credit cards, all of the sudden you're in the newspaper,'' he said.

A number of companies and educational institutions have already found out what happens when private information gets nabbed from the corporate database. It's happened with enough regularity, and affected such a huge amount of people, to warrant Congressional attention to the thefts and legislation to address data security.

Examples abound.

In February data broker ChoicePoint notified 145,000 people to be on the guard for identity theft after their someone or some group was able to access their credit information.

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