Threat actor
1Byte
Last fetched
1Byte is a threat actor tracked in WhisperGraph's MITRE ATT&CK corpus, observed using 0 techniques.
Description
1Byte is a Vietnam-based company operating a network of spyware apps and generating millions in revenue since at least 2016. One of these apps, TheTruthSpy, can discreetly upload your call logs, text messages, photos, browsing history, and real-time location data. 1Byte used fake American identities, forged passports, and manipulated financial systems to evade detection and process payments. A TechCrunch article found that it is actively facilitating the secret surveillance of hundreds of thousands of Android users around the world. TechCrunch also identified at least least nine known near-identical spyware apps in TheTruthSpy’s network: Copy9, MxSpy, iSpyoo, SecondClone, TheSpyApp, ExactSpy, GuestSpy and FoneTracker, all of which operate just like TheTruthSpy but under different names.
Techniques by tactic
No ATT&CK techniques are recorded for 1Byte in WhisperGraph.
Attributed infrastructure
None published. WhisperGraph carries no ATTRIBUTED_TO edge to 1Byte today — this states the absence of a published link, not that 1Byte has no infrastructure.
References
- https://techcrunch.com/2022/10/26/inside-thetruthspy-stalkerware/
- https://techcrunch.com/thetruthspy-investigation/
- https://readwrite.com/thetruthspy-the-stalkerware-that-made-millions/
- https://techcrunch.com/2024/02/12/new-thetruthspy-stalkerware-victims-is-your-android-device-compromised/
- https://techcrunch.com/2022/02/22/stalkerware-network-spilling-data/
- https://techcrunch.com/2023/07/20/thetruthspy-stalkerware-forged-passports-millions/
- https://techcrunch.com/2025/08/25/a-new-security-flaw-in-thetruthspy-phone-spyware-is-putting-victims-at-risk/
© The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.
Related pages
Pivot from 1Byte into its techniques, tactics and any attributed infrastructure.
Queries
Resolves the slug to this actor, merging every duplicate node sharing the same name.
MATCH (a:ACTOR)
WHERE a.name =~ $pattern OR any(x IN a.aliases WHERE x =~ $pattern)
RETURN a.id AS id, a.name AS name, a.aliases AS aliases, a.description AS description,
a.references AS references, a.campaigns AS campaigns
LIMIT 25Techniques this actor uses, grouped by the tactic each one serves.
MATCH (a:ACTOR {name: $name})-[:USES_TECHNIQUE]->(t:ATTACK_PATTERN)
OPTIONAL MATCH (t)-[:USES_TACTIC]->(tac:ATTACK_PATTERN)
RETURN t.id AS techniqueId, t.name AS techniqueName, tac.id AS tacticId, tac.name AS tacticName
LIMIT 1000Infrastructure publicly attributed to this actor.
MATCH (n)-[:ATTRIBUTED_TO]->(a:ACTOR {name: $name})
RETURN labels(n)[0] AS kind, n.name AS name
LIMIT 25Or query Whisper from your own LLM workflow via the Whisper MCP server.