Could you provide about where you saw these codes (e.g., a specific website, email, or a flight simulator mod)?

: In flight simulation data and aviation databases such as Avsim.su , these are used for navigation: LDA : Lamidada, Nepal. LEV : Leeville VOR or Levaldigi, Italy. TNK : Tanunak, Alaska. Security Warning

If you found these terms in a suspicious email or as part of a file name like LDA_LEV_TNK.zip , .

: In linguistic databases like those found on Wikipedia , these codes represent specific languages: LDA : Kla-Dan (a language spoken in Côte d'Ivoire). LEV : Lamma (a language spoken in Chad). TNK : Kwamera (a language spoken in Vanuatu).

You can verify suspicious files by uploading them (without opening them) to Hybrid Analysis or VirusTotal to check for threats.

Based on available technical and linguistic data, the terms , LEV , and TNK do not appear to belong to a single software package or known malware family. Instead, they are frequently used as ISO 639-3 language codes or IATA airport identifiers . Potential Identifiers Found

Attackers often use random three-letter strings to bypass basic spam filters or to name malicious payloads.