Attackers conceal phishing lures using invisible Unicode characters
Summary
Threat actors are using invisible Unicode characters to disguise phishing lures and bypass email security filters. This ASCII smuggling technique involves embedding characters that are not visible to the human eye but are interpreted by computers, allowing malicious content to slip through defenses.
IFF Assessment
FOE
The use of new evasion techniques by threat actors poses an increased risk to defenders, as it makes detecting and preventing phishing attacks more difficult.
Defender Context
Defenders need to be aware of these evolving obfuscation techniques that can bypass traditional signature-based detection. Implementing more advanced email security solutions that focus on behavioral analysis and content inspection can help mitigate these threats.