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Malicious SIMs exploit standards to hijack phones, steal files, and downgrade 5G to 2G · 2 sources tracked

By PulseAugur Editorial · [2 sources] ·

Researchers have discovered that malicious SIM cards can exploit standard functionalities to compromise mobile devices. These compromised SIMs can lead to phone shutdowns, unauthorized file access, and a degradation of network speeds from 5G down to 2G. The vulnerabilities lie within the SIM card's own capabilities, allowing attackers to hijack modems and execute code. AI

IMPACT Potential for widespread disruption of mobile communication and data security.

RANK_REASON Security vulnerability in existing technology, not a new release or core AI research.

Read on The Register — AI →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Malicious SIMs exploit standards to hijack phones, steal files, and downgrade 5G to 2G · 2 sources tracked

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
Security vulnerability in existing technology, not a new release or core AI research.
Source corroboration
2 independent sources
Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
Topics
other
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
Low
Off-topic or adjacent — cluster remains reachable but doesn't surface in AI-industry rankings.
Story freshness
91 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [2]

  1. The Register — AI TIER_1 English(EN) ·

    Malicious SIMs can shut down phones, steal files, and drag 5G back to 2G

    Researchers find standards-compliant functionality can be abused to hijack modems, downgrade connections, and even execute code

  2. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    Malicious SIMs can shut down phones, steal files, and drag 5G back to 2G Researchers find standards-compliant functionality can be abused to hijack modems, down

    Malicious SIMs can shut down phones, steal files, and drag 5G back to 2G Researchers find standards-compliant functionality can be abused to hijack modems, downgrade connections, and even execute code https://www. theregister.com/security/2026/ 08/11/malicious-sims-can-shut-down-…

    LINKS theregister.com/…/5285482

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