This column is available in a weekly newsletter called IT Best Practices. Click here to subscribe. Companies like Norse and Akamai track the source IP of Internet attack traffic and compile lists ...

FireHost, a provider of secure cloud hosting, uses an IP reputation filter to help protect its customers. Reputation filters use a blacklist of known 'bad' IP addresses belonging to malevolent ...

This paper begins a series of IPv6 TIPs to assist network defenders with the security implications of IPv6 deployment. This paper begins a series of IPv6 TIPs to assist network defenders with the ...

While ICMP is required for IP network traffic redirection and pinging hosts on your LAN or WAN, ICMP can also pose a security concern. David Davis tells you about the basics of ICMP and how to filter ...

Botnet armies have got bigger, more active and more heavily armed than ever before. In the first quarter of 2016, attacks launched by bots reached a record high of 311 million – a 300% increase ...

Dan York presents a conundrum: Once VOIP has reached critical mass in the enterprise, how will you filter out SPIT (spam over IP telephony) while allowing legitimate traffic such as notifications to ...

There are more than 4 million vulnerable hosts on the internet that accept unauthenticated traffic, say Belgian researchers, who warn that, unless action is taken by CISOs and network product ...

Senator Ron Wyden (D-OR) has called the PROTECT IP Act “a threat to our economic future and to our international objectives.” He characterized its predecessor as a “bunker-busting cluster bomb when ...

More than 87% of active domain names are found to share their IP addresses (i.e. their web servers) with one or more additional domains, and more than two third of active domain names share their ...

Cisco foresees a massive buildup of IP traffic – 4.8 zettabytes per year by 2022, which is over three times the 2017 rate – lead by the increased use of IoT device traffic, video, and sheer number of ...