Security certificates gone wrong

Security certificates are designed to authenticate hosts. Browsers have become pretty good about understanding chains of authorities, and making users accept the risk when websites can’t prove the chain of authorities needed to verify they are who they say they are.

Sites masquerading as legitimate sites, however, employ sad little tricks, such as “punycode”—URL links embedded in otherwise official-looking phishing emails. These tricks are malicious. There are also sites that should be well-administrated but are not.

Then there are sites, important sites, that botch their own security with certificates ostensibly granted by places such as the U.S. Department of Homeland Security (DHS).

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Source: NW Security 1