Security Archives

Tech Optimizer

April 7, 2026

Norton 360: Comprehensive Cybersecurity for Devices

Norton 360 is a comprehensive cybersecurity solution that protects consumers and businesses from digital threats, integrating features like a VPN and password manager. It safeguards various devices, including PCs and smartphones, and offers multiple editions for individuals, families, and small businesses. Key features include real-time threat detection, a smart firewall, a no-logs VPN, a password manager, parental controls, behavior-based detection for zero-day threats, cloud backup functionality, and performance optimization tools. The suite is effective against phishing, malware, and ransomware, with a 100% detection rate confirmed by independent tests. Norton 360 also caters to small businesses with endpoint protection, compliance tools, and secure file sharing. It employs heuristics and machine learning for threat adaptation and supports unlimited devices in premium plans. The software is compatible with Windows, macOS, Android, and iOS, and offers a VPN service with servers in over 30 countries. Norton 360 competes in the global cybersecurity market, maintaining a strong presence in North America and Europe, with subscription models ranging from basic to deluxe editions. Demand for the product has increased due to high-profile data breaches, and it is available in over 150 countries. Common use cases include protecting home networks, securing client data for freelancers, and safeguarding school-issued laptops. Norton 360 is part of Gen Digital Inc., which focuses on consumer cybersecurity.

Winsage

April 7, 2026

Windows 11 is phasing out old kernel drivers: Microsoft will permanently end cross-signing in April

On March 26, 2026, Microsoft announced that starting with the April security update, it will eliminate trust in kernel drivers from the previous Cross-Signed Program for Windows 11 versions 24H2, 25H2, 26H1, and Windows Server 2025. Only drivers that have passed the Windows Hardware Compatibility Program (WHCP) or are on Microsoft's allow list will be allowed to load by default. This change aims to enhance security by establishing a robust chain of trust and addressing vulnerabilities associated with old kernel drivers. Users of older hardware that rely on specialized drivers may face challenges, as drivers not WHCP-signed or explicitly allowed will be excluded from the trusted zone.

Winsage

April 7, 2026

How to Reset Folder Permissions in Windows 11: 5 Proven Methods That Actually Work

Folder permissions in Windows 11 control access to files, determining who can read, modify, or delete them. Common issues arise from drive or file migration, Windows updates, malware, or user errors. Symptoms include "Access Denied" messages and ownership displayed as "unknown." Methods to resolve folder permission issues include: 1. Security Tab: Reset permissions through the Security tab by modifying access levels and ensuring proper inheritance. 2. Take Ownership: Claim ownership of a folder if the current owner is no longer valid, then reset permissions. 3. Command Prompt: Use commands like PLACEHOLDERfa5c045a85bc6cf0 and PLACEHOLDER14a87b7576573f58 to reset permissions quickly and efficiently. 4. PowerShell: Utilize PowerShell for advanced permission resets, allowing for conditional logic. 5. Windows Reset: As a last resort, reset Windows to restore default permissions while keeping personal files. To prevent future issues, back up permissions before changes, understand NTFS vs. share permissions, and avoid altering system folders. If problems persist, ensure commands are run as an administrator, check ownership settings, and verify that Group Policy or sync tools are not overriding changes.

AppWizard

April 7, 2026

Researchers find 50 ‘dangerous’ Android apps that are secretly hijacking phones: Who is at risk

Recent findings from McAfee have revealed a malware campaign named Operation NoVoice that has infiltrated over 50 applications on the Google Play Store, which collectively received over 2.3 million downloads before being removed. The malware uses a rootkit attack strategy to gain administrator-level control of Android devices while remaining undetected. Affected apps appeared benign, performing tasks like cleaning files or managing photos, but were secretly communicating with a remote server to send device information. This allowed attackers to deploy custom exploit code, achieving root-level access and posing significant security risks. The malware persists even after factory resets, potentially requiring firmware reinstallation for complete removal. Users with older or unpatched Android versions are at greater risk, as well as anyone who downloaded the compromised apps.

AppWizard

April 7, 2026

Apple removes Jack Dorsey’s P2P messenger Bitchat from China App Store

Apple has removed Jack Dorsey's decentralized peer-to-peer messaging service, Bitchat, from its China App Store following a request from the Cyberspace Administration of China (CAC). The app's beta version was also suspended in the region. Dorsey confirmed that Bitchat was removed in February, and Apple stated that all apps must comply with local laws and regulations. The CAC noted that Bitchat violated regulations requiring online services that can influence public opinion to undergo a security assessment. Bitchat remains available in other countries, with over 3 million downloads on Chrome and more than 1 million on Google Play.

AppWizard

April 6, 2026

Dangerous “NoVoice” malware found in over 50 Play Store apps that were installed 2.3 million times

A new malware threat called "NoVoice" has been found in over 50 applications on the Google Play Store, with 2.3 million installations on Android devices. Discovered by McAfee, this malware is hidden in seemingly harmless apps like system cleaners, games, and image galleries. It exploits Android vulnerabilities to gain root access, potentially allowing attackers to steal sensitive information and manipulate applications without user consent. In some cases, it may persist even after a factory reset. Google has stated that Android devices updated since May 2021 are protected against this threat and that Google Play Protect actively removes malicious apps and blocks new installations. The malware was not able to infect devices in Beijing and Shenzhen, suggesting the attackers may be avoiding local law enforcement. One identified app carrying the NoVoice payload is SwiftClean, developed by Biodun Popoola. The malware operates using a silent audio file, executing its code without user detection. Users are advised to download apps only from the Google Play Store and keep their devices updated.

Winsage

April 6, 2026

Disgruntled researcher leaks “BlueHammer” Windows zero-day exploit

Exploit code for a Windows privilege escalation vulnerability, named BlueHammer, has been released, allowing attackers to gain SYSTEM or elevated administrator permissions. This zero-day vulnerability was disclosed by a researcher, Chaotic Eclipse, who expressed frustration with Microsoft's handling of the issue. The exploit combines a time-of-check to time-of-use (TOCTOU) issue with path confusion, granting local attackers access to the Security Account Manager (SAM) database, which contains password hashes for local accounts. While the exploit is confirmed to work, it has been found unsuccessful on Windows Server due to bugs that hinder its effectiveness. Attackers can gain local access through various means, raising significant security risks. Microsoft has not yet responded to inquiries about the BlueHammer flaw.

Winsage

April 6, 2026

Why Microsoft is forcing Windows 11 25H2 update on all eligible PCs

Microsoft has announced that eligible Windows 11 PCs currently on the 24H2 version will be automatically upgraded to the 25H2 edition, with no user action required, although users can temporarily postpone the update. The eligibility assessment for the update uses machine learning, considering factors such as testing results, user feedback, and diagnostic data. The update is mandatory for individual users of Windows 11 Home or Pro editions, as support for 24H2 will expire on October 13, ending security patches for that version. IT-managed computers are excluded from this automatic update. Users can check for eligibility by navigating to Settings and selecting Windows Update. The 25H2 update is designed to be more compact and efficient, updating only necessary files and sharing the same code base as 24H2, which improves stability and reliability. To check the current version of Windows 11, users can go to Settings, select System, and click on About.

Tech Optimizer

April 6, 2026

Scammers Want Our Data, Yet CNET Finds Many of Us Aren’t Protecting Our Devices

- 78% of US adults currently own a personal laptop, with HP (32%) and Apple (26%) being the most popular brands. - 54% of laptop owners have encountered potential malware on their devices in the past year. - 88% of those who reported seeing potential malware took action, while 12% did not respond. - 68% of proactive laptop owners either deleted the suspicious file or closed the website or pop-up. - 37% of laptop owners received phishing emails in the past year. - Many modern devices come equipped with built-in antivirus solutions, such as Microsoft Defender for Windows 11 and XProtect for Mac users. - 60% of users who acted upon encountering potential malware manually deleted files or closed suspicious websites, while 35% initiated antivirus scans. - Antivirus software alone cannot safeguard against data breaches or identity theft; a comprehensive cybersecurity strategy involves various tools and practices. - Recommended tools for online security include Bitdefender for antivirus, Aura for identity theft protection, Bitwarden for password management, and ExpressVPN for VPN services.

AppWizard

April 6, 2026

China Blocked Jack Dorsey’s Decentralized Messenger bitchat

Chinese authorities have ordered the removal of Jack Dorsey’s decentralized messaging app, bitchat, from the local App Store due to concerns about its potential to disrupt information control during civil unrest. Apple complied by removing both the main and beta versions of the app. The app remains accessible outside of China. Dorsey stated that the removal reflects bitchat's influence on public discourse. The Chinese regulator cited violations of regulations that require online services capable of swaying public opinion to undergo security reviews before launch. Bitchat operates independently of traditional internet infrastructure using Bluetooth and mesh networking technology, making it resistant to censorship. It has gained attention in regions with internet restrictions and was introduced in July 2025. Bitchat has over 3 million downloads, with more than 92,000 in the past week and over 1 million installs on Google Play. Additionally, Block, the parent company, recently reduced its workforce by about 40%, equating to around 4,000 employees, due to AI implementation and process optimization.