Described in a post by ISC’s Rob VandenBrink is a new trend in Intrusion Detection Systems: IP blacklist score aggregation. In this approach, IP addresses (sometimes from multiple systems and networks) that exhibit questionable behavior (even sometimes innocuous behavior that may seem questionable to the algorithm) are rated and stored in a central database. When [...]

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In a recent report, security researchers have seen an marked increase in the number of attacks by botnets on unconfigured (store-bought) routers, switches and wireless gateways. Czech researchers at Masaryk University’s Institute of Computer Science in Brno, Czech Republic have discovered the “Chuck Norris Botnet”, whose army of compromised computers silently and stealthily probes IP [...]

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