Observed Signal · Sep 29, 2026 · Market Signal · Source: Guardsquare · Impact: 2/5
On-Device Fraud: How Mobile Malware Bypasses Fraud Detection
A few months ago, a friend told me about a relative who received a phone call from someone claiming to be from his bank. The “bank employee” walked him through a "security check," and installed what he thought was a banking app update. Twenty...
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Google adds AI scam-call warning to Android Phone app
Google has introduced a new AI-based scam-call warning in its Android Phone app to help users detect calls that use AI-generated voices to impersonate contacts. The feature, available free via Google Play and automatically active for users of the Google Phone app, exchanges encrypted real-time data between devices to verify whether the displayed caller is the genuine contact; if verification fails the app pings the alleged contact's device and, based on the response, warns the recipient, reports and blocks the number. The rollout begins this month on Pixel phones and will expand to other Android devices running Android 12 or later. Google built the system on the RCS standard so other companies can implement the same verification in other calling apps.
Apple issues push warnings about mercenary spyware
Apple is sending push notifications and emails to a small number of users worldwide to warn they were targeted by mercenary (soldier‑style) spyware intended to spy on Apple devices. The company updated a support document saying such attacks are rare and typically target journalists, activists, politicians and diplomats. Apple recommends contacting the nonprofit Access Now's Digital Security Helpline and enabling Lockdown Mode on iPhone, iPad and Mac. TechCrunch reports Apple issued warnings in 110 countries; Apple did not disclose the exact number of affected individuals.
Telegram Ads Offer KYC‑Bypass Tools for Banking Hacks
Researchers report that cybercriminals are advertising commercial tools on Telegram that let buyers bypass banking and crypto KYC (know‑your‑customer) checks. The tools include virtual‑camera software that replaces a device’s live video feed with photos, deepfakes or prerecorded footage to defeat liveness/video‑based identity verification. A demonstration by cyber‑scam expert Hieu Minh Ngo shows a user successfully passing a Vietnamese banking app’s photo and video liveness checks using static images. The reporting notes these services are used to open laundering accounts and target platforms from retail banks to crypto exchanges such as Binance, while regulators and financial firms are responding with strengthened controls and new KYC rules in some countries.
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