Utopia Tech
▸ Engineering & Strategy Journal

Field notes from the edge.

What our engineers learned this week. Hands-on technical deep-dives, postmortems, and strategy frameworks.

All postsHealthcareEngineeringStrategySecurityIndustry
Angola's Largest Telco Breached Hours Before IPO
FeaturedAI
Security· 1 min read

Angola's Largest Telco Breached Hours Before IPO

Unitel, Angola's largest mobile operator, suffered a cyberattack that disrupted services on the same day as its initial public offering. The government-owned telecommunications provider is still working to restore full operations following the breach, which represents a significant security and reputational incident during a critical business milestone.

UT
Utopia Tech·Aug 5, 2026
Researchers Report 84 Flaws in 4G and 5G Cores, Including a Session Hijacking FlawAI
Security

Researchers Report 84 Flaws in 4G and 5G Cores, Including a Session Hijacking Flaw

Researchers from Nanyang Technological University have identified 84 security vulnerabilities affecting 4G and 5G core network infrastructure. These flaws could enable attackers to launch denial-of-service attacks and hijack user sessions, representing a widespread security concern for mobile network operators.

UTUtopia Tech·1 min
The FCC Wants to Eliminate Burner PhonesAI
Strategy

The FCC Wants to Eliminate Burner Phones

The FCC has proposed a rule requiring telecommunications providers to collect and store extensive personal information—including government-issued ID numbers and physical addresses—for all phone customers, effectively eliminating anonymous 'burner phones.' While positioned as an anti-scam measure, the proposal has drawn criticism from privacy advocates who compare it to authoritarian surveillance

UTUtopia Tech·1 min
Skip to main content