A 37-year-old Seattle man has been arrested in connection with serious offences relating to distributed denial of service attacks that hit Australian businesses in 2015.
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An intrusion prevention system (IPS) includes all the features of an intrusion detection system but also has the ability to act upon malicious traffic. Since the IPS usually sits in line with network traffic it can shut down attacks, typically by blocking access from the attacker or blocking access to the target. In some cases, the IPS can talk to the firewall to block an attack.
An informal, low-lying group of sharp minds might be the world's best defence against Distributed Denial of Service (DDoS) attacks, but legal uncertainty is hindering their capabilities.