QOTD - Amoroso on Security via Diversity

Serious attacks are not stopped by running an anti-virus program, they are not stopped by having people change passwords, they are not stopped by firewalls, they are stopped by other means….The first and foremost thing is that diversity is good….From a network and systems perspective, I get a lot of sleep at night when there is an attack on an IP-based system knowing that it is not going anywhere near our TDM circuit-switched infrastructure; they are just separate. The technologies are different, the systems are different, and they are non-interoperable.
-- Edward Amoroso, Chief Security Officer at AT&T, author of Cyber Attacks: Protecting National Infrastructure

Src: Infosecurity (USA) - Information security practices need to be rethought, says AT&T security chief

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