DNS Security Rollout Begins

“We’re pleased to announce that beginning today we will start
the process of migrating customers to DNS servers that use Domain
Name System Security Extensions (DNSSEC), as part of an evolving
suite of security protections that are part of Comcast Constant
Guard™. Best of all, customers will not need to take any
action and should not notice any changes to their service, though
behind-the-scenes that service will be more secure. As the first
major Internet Service Provider (ISP) to do so in the United
States, our customers are among the first to be getting these new
security capabilities, which is part of our continuing push for a
more secure Internet experience for both our customers as well as
the global Internet.

“With DNSSEC, a web site name such as www.comcast.net can be
cryptographically signed in the Domain Name System by the domain
name owner. Then, when a customer tries to connect to that website,
the Comcast DNS server checks that domain name, and verifies that
signature to ensure that it is valid and has not been tampered with
by hackers or other criminals. A customer will only be connected if
this security verification has been passed, which occurs so quickly
our customers won’t even notice that it’s being done.”

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