All news with #mobile security tag

📱 CISA warns that multiple cyber threat actors are actively using commercial spyware to target users of mobile messaging applications. These actors employ phishing, malicious device-linking QR codes, zero-click exploits, and impersonation of platforms such as Signal and WhatsApp to gain unauthorized access and deploy additional malicious payloads. CISA urges users to review updated mobile communications guidance and mitigations to reduce spyware risk.

📱 Google has made Quick Share interoperable with Apple's AirDrop, enabling two-way file transfers between Pixel devices and iPhones starting with the Pixel 10 family. The implementation uses AirDrop's "Everyone for 10 minutes" direct, device-to-device mode with no server intermediaries. Google says it applied threat modeling, internal security and privacy reviews, Rust parsing to reduce memory risks, and independent NetSPI testing. Users must manually confirm recipients before sharing.

📡 Google updated Quick Share to interoperate with Apple's AirDrop, enabling direct file transfers between Pixel 10 devices and iPhone, iPad, and macOS. Transfers require the Apple device to be discoverable to Everyone for 10 minutes, while Android users must set Quick Share visibility to Everyone or use Receive mode. Google said the implementation is built in memory-safe Rust, avoids routing data through servers, and was independently assessed and hardened after a low-severity information-disclosure issue was fixed.

🔒 Samsung Galaxy devices with Knox Suite combine hardware-rooted protections and centralized management to help IT secure corporate data without slowing users. Built-in at manufacture, Knox delivers multi-layered defenses—secure boot, trusted execution environments, and integrated malware protections—while fitting into existing EMM workflows. Native Zero Trust support, ZTNA and near-real-time telemetry from Knox Asset Intelligence feed SIEMs so mobile threats are visible alongside other alerts.

🔒 Google announced cross-platform file sharing between Android and iOS by making Quick Share interoperable with AirDrop, beginning with the Pixel 10 Family. The company emphasizes a "secure by design" approach that included threat modeling, internal security and privacy reviews, and in-house penetration testing. The interoperability layer is implemented in Rust to reduce memory-safety risks in parsing wireless data, and transfers are direct peer‑to‑peer without routing content through servers. Google also engaged third‑party testers and experts who validated the implementation and found no information leakage.

🔋 Google will begin flagging Android apps on Google Play that show high background activity and cause excessive battery drain. The change centers on a new Android Vitals metric called excessive partial wake locks, and apps that cross the bad-behavior threshold may be labeled as battery drainers and lose prominence in discovery surfaces. Developers will receive alerts in their Android Vitals dashboard and have until March 1, 2026 to remediate issues.

🔁 Google has softened its planned Developer Verification requirements after widespread backlash, saying it will create a dedicated account type for limited app distribution and an advanced sideloading flow for experienced users. The original rule would have blocked installation of apps from unverified developers on certified devices beginning in 2026. Google says these changes respond to concerns from students, hobbyists, and power users who need accessible or higher-risk pathways to install apps.

🔐 Genians Security Center (GSC) has attributed a recent destructive campaign to the KONNI APT, which abused Google’s Find Hub service to remotely wipe Android phones and tablets. Threat actors distributed a signed MSI via compromised KakaoTalk accounts, installed an AutoIt loader, and stole Google credentials to trigger remote resets when victims were away. GSC describes this as the first confirmed state-linked misuse of Find Hub and recommends stronger authentication, verification for remote wipes, and enhanced EDR and behavioral monitoring.

🔒 Genians Security Center (GSC) reports that North Korea–linked KONNI actors abused Google's Android device‑tracing and management service Find Hub to remotely track and wipe victims' phones. Attackers compromised legitimate Google accounts—often via spear‑phishing impersonating South Korea’s National Tax Service—and used Find Hub to confirm location and issue reset commands that silenced alerts. The campaign also spread malware through compromised KakaoTalk contacts sending apps disguised as 'stress-relief' programs.

🔒 Cybersecurity researchers disclosed a new Android remote access trojan, Fantasy Hub, marketed on Russian-speaking Telegram channels under a Malware-as-a-Service model. The MaaS offers turnkey builders, bot-driven subscriptions, custom trojanized APKs and a C2 panel to manage compromised devices and exfiltrate SMS, contacts, media and call logs. Sellers provide fake Google Play landing pages and instruction to abuse the default SMS handler and deploy overlays to intercept banking 2FA and harvest credentials.

🛡️ US federal agencies have been directed to patch a critical Samsung zero-day exploited to deploy spyware on mobile devices. The out-of-bounds write flaw CVE-2025-21042 (CVSS 9.8) was patched by Samsung in April, but Palo Alto Networks reports it has been used in a campaign since mid-2024. Commercial spyware LandFall was embedded in malicious DNG images and distributed via WhatsApp, with possible zero-click remote code execution. CISA added the bug to its KEV catalog and requires mitigation or discontinuation by December 1.

🔍 North Korean-linked operators abuse Google Find Hub to locate targets' Android devices and issue remote factory resets after compromising Google accounts. The attacks focus on South Koreans and begin with social engineering over KakaoTalk, using signed MSI lures that deploy AutoIT loaders and RATs such as Remcos, Quasar, and RftRAT. Wiping devices severs mobile KakaoTalk alerts so attackers can hijack PC sessions to spread malware. Recommended defenses include enabling multi-factor authentication, keeping recovery access ready, and verifying unexpected files or messages before opening.

⚠️ The North Korea-linked Konni threat actor has been observed combining spear-phishing and signed installers to compromise Windows and Android systems and exfiltrate credentials. Genians Security Center reports attackers used stolen Google account credentials to access Google Find Hub and remotely reset devices, causing unauthorized data deletion. The campaign, detected in early September 2025, uses malicious MSI packages and RATs including EndRAT and Remcos to maintain long-term access and propagate via compromised KakaoTalk sessions.

🔒 CISA has ordered U.S. federal agencies to patch a critical Samsung vulnerability, CVE-2025-21042, which has been exploited to deploy LandFall spyware via malicious DNG images sent over WhatsApp. The flaw is an out-of-bounds write in libimagecodec.quram.so affecting devices on Android 13 and later; Samsung issued a patch in April after reports from Meta and WhatsApp security teams. CISA added the bug to its Known Exploited Vulnerabilities catalog and requires Federal Civilian Executive Branch agencies to remediate by December 1 under BOD 22-01. The spyware can exfiltrate data, record audio, and track location.

🛡️ This week's recap highlights sophisticated, real-world threats that bypass conventional defenses. Actors like Curly COMrades abused Hyper-V to run a hidden Alpine Linux VM and execute payloads outside the host OS, evading EDR/XDR. Microsoft disclosed the Whisper Leak AI side-channel that infers chat topics from encrypted traffic, and a patched Samsung zero-day was weaponized to deploy LANDFALL spyware to select Galaxy devices. Time-delayed NuGet logic bombs, a new criminal alliance (SLH), and ongoing RMM and supply-chain abuses underscore rising coordination and stealth—prioritize detection and mitigations now.

🔔 CISA has added one vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog: CVE-2025-21042, an out-of-bounds write in Samsung mobile devices that CISA reports is being actively exploited. This class of flaw can enable code execution or device compromise and poses a significant risk to the federal enterprise. Under BOD 22-01, Federal Civilian Executive Branch agencies must remediate listed KEVs by required due dates. CISA strongly urges all organizations to prioritize timely remediation and to apply vendor updates and mitigations without delay.

📱 The Swiss NCSC warns of smishing attacks that impersonate Apple's Find My team, telling owners their lost iPhone has been found to lure them to a fake login page. Messages can cite device details visible on the lock screen and use the displayed contact info to target victims. The counterfeit pages request the user's Apple ID and password, which attackers then use to remove Activation Lock. Users should enable Lost Mode, avoid unsolicited links, use a dedicated contact email, and protect their SIM with a PIN.

🔒 A threat actor exploited a Samsung Android image-processing zero-day, CVE-2025-21042, to deliver a previously unknown spyware called LandFall using malicious DNG images sent over WhatsApp. Researchers link activity back to at least July 23, 2024, and say the campaign targeted select Galaxy models in the Middle East. Unit 42 found a loader and a SELinux policy manipulator in the DNG files that enabled privilege escalation, persistence, and data exfiltration. Users are advised to apply patches promptly, disable automatic media downloads, and enable platform protection features.

🔒 A now-patched out-of-bounds write in libimagecodec.quram.so (CVE-2025-21042, CVSS 8.8) was used as a zero-click vector to deliver commercial-grade Android spyware known as LANDFALL. The campaign appears to have used malicious DNG images sent via WhatsApp to extract and load a shared library that installs the spyware. Unit 42 links activity to targets in Iraq, Iran, Turkey, and Morocco and notes samples dating back to July 2024. The exploit also deployed a secondary module to modify SELinux policy for persistence and elevated privileges.

🔒 Samsung Knox is a built-in security platform for Samsung Galaxy devices that combines hardware- and software-level protections to safeguard enterprise data and provide IT teams with centralized control. It layers defenses — including AI-powered malware detection, curated app controls, Message Guard for zero-click image scanning, and DEFEX exploit detection — while integrating with EMMs and offering granular update management via Knox E-FOTA. The platform emphasizes visibility, policy enforcement, and predictable lifecycle management to reduce risk and operational disruption.