Beware of DNS cache poisoning

First Cyber Security is warning companies to watch out for a rapidly increasing internet security threat known as poisoned DNS caches. "The problem", says David Holman, the firm's director, "came to prominence in July when CERT - the Computer Emergency Response Team - issued an advisory on DNS cache poisoning, noting that it can fool users into inadvertently giving away personal details on the internet and can also trigger malware infections and email problems." "Every user on the Internet, from tier one ISPs down to the simple home user, relies on domain name lookup tables, which translate a given domain name into the relevant numeric IP address", he said. "With DNS cache poisoning, DNS lookup tables are corrupted and the numeric IP addresses of fake web pages are... [read full story]