Typical severity: Medium. Likelihood of attack: Low. An adversary registers a domain name containing a homoglyph, leading the registered domain to appear the same as a trusted domain. A homograph attack leverages the fact that different characters among various character sets look the same to the user. Homograph attacks must generally be combined with other attacks, such as phishing attacks, in order to direct Internet traffic to the adversary-controlled destinations.
Authenticate all servers and perform redundant checks when using DNS hostnames. | Utilize browsers that can warn users if URLs contain characters from different character sets.