Hider Nex
Hider Nex is a Tunisian hacktivist group, also referred to as Tunisian Maskers Cyber Force, that emerged in mid-2025 and is described as supporting pro-Palestinian causes. Reporting in the provided content characterizes the group as a pro-Palestinian hacktivist collective using a hack-and-leak approach that combines distributed denial-of-service (DDoS) attacks with data breaches and leaked data to support geopolitical messaging. The first DDoS attack attributed to this wave of activity was launched by Hider Nex on February 28, 2026. During the March 2026 Iran-Israel-US war-related cyber activity, Hider_Nex was identified as a new actor in the conflict and on March 11, 2026 announced a formal alliance with the pro-Russian group NoName057(16). The same day, it claimed a coordinated #OpKuwait campaign involving DDoS attacks against 18 Kuwaiti government domains. Known alias in the content: Tunisian Maskers Cyber Force.
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Targeting
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Who they target
Sectors the actor has been observed targeting.
- Government & Administration
- Utilities
- Banks
- Military
Where they target
Geographies tied to known operations.
- 🇰🇼 Kuwait
- 🇰🇷 South Korea
Where they're from
Attributed origin per open-source reporting.
- TN
Tradecraft
2 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
Recent activity
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Actor that conducted broad targeting of Kuwaiti entities during the escalation.
Tunisian-flagged disruptive actor that allied with NoName057(16) and launched broad DDoS sweeps against Kuwaiti and South Korean government infrastructure.
Pro-Palestinian hacktivist collective combining DDoS and data breaches to amplify geopolitical messaging; cited as initiating the first recorded attack in the described period.
Tunisian hacktivist group supporting pro-Palestinian causes and using a hack-and-leak strategy that combines DDoS attacks with data breaches and leaks.
The version that knows your environment.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.