Changing

How Changing Technology Affects Security

Security is a tradeoff, a balancing act between attacker and defender. Unfortunately, that balance is never static. Changes in technology affect both sides. Society uses new technologies to decrease what I call the scope of defection — what attackers can get away with — and attackers use new technologies to increase it. What’s interesting is the difference between how the two groups incorporate new technologies.

Changes in security systems can be slow. Society has to implement any new security technology as a group, which implies agreement and coordination and — in some instances — a lengthy bureaucratic procurement process. Meanwhile, an attacker can just use the new technology. For example, at the end of the horse-and-buggy era, it was easier for a bank robber to use his new motorcar as a getaway vehicle than it was for a town’s police department to decide it needed a police car, get the

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