Breaches and incidentsBriefReported by a reputable outlet, citing the company

UNITEL (Angola’s largest mobile operator): attack knocks out voice, data and internet nationwide

The attack was detected shortly after 02:00 on 28 Jul 2026, less than 24 hours before Unitel’s IPO.

Disclosed

What happened

  • The attack was detected shortly after 02:00 on 28 Jul 2026, less than 24 hours before Unitel’s IPO; millions of its more than 21 million subscribers lost voice, mobile data and internet, and point-of-sale terminals on its network were affected; traffic stayed well below normal into 29 Jul (The Record). RIPE data showed Unitel prefixes stayed reachable, suggesting a core-network incident rather than a DDoS.
  • Root cause / initial access: not disclosed.
  • Attacker: not named.
  • Response: containment and technical teams deployed; IPO went ahead on 29 Jul.

Sources

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