D.C. The problem is worsening with mobile computing, telecommuting, and VPNs, all giving attackers more access to networks. Even more disturbing is that computer attacks are about 90 percent inside jobs, said Terry Guiditis, a clinical psychologist and profiler at Global Integrity. It's easier for an attacker to compromise a knowledgeable insider. Va. What is known is that intrusion detection is increasingly necessary and its capabilities need to improve, Longstaff said. There are over 100 emergency computer response teams worldwide that deal with security, but they don't cooperate because they are commercial, Schultz said.
Hackers laugh at intrusion detection products.
They say they'll just go around them. Intruders know system vulnerabilities, protocol flaws, and examine source files for security flaws, Longstaff said. Attacks typically come in the form of a denial of service to customers, which even for 30 minutes, can tank some e-commerce companies, especially during the Christmas holiday shopping season, he said. Security products require a steep learning curve, hindering management and law enforcement cooperation, Larson-Miller said. Although most companies implement security products to limit liability, they do take steps to fully protect data assets.