password Archives

Winsage

April 10, 2026

Windows Zero-Day Published on Github as Microsoft Fails to Act

A security researcher named Chaotic Eclipse published a working exploit for a Windows zero-day vulnerability, called BlueHammer, on GitHub on April 2. The exploit allows attackers to gain SYSTEM-level privileges by exploiting a race condition in Windows Defender’s signature update mechanism. The exploit has gained significant attention, with over 100 forks and nearly 300 stars on GitHub. Will Dormann, a principal vulnerability analyst, confirmed that while BlueHammer is functional, it may not always operate reliably. Microsoft has not issued a patch for this vulnerability. The exploit targets the Windows Defender signature update process, allowing low-privilege attackers to manipulate a file path during operation, leading to access to the Security Account Manager (SAM) database. Currently, only 8 out of 72 cybersecurity vendors on VirusTotal flag the exploit file as malicious, which raises concerns about detection coverage. Microsoft reiterated its commitment to coordinated vulnerability disclosure but did not address the communication issues regarding the BlueHammer report.

Winsage

April 9, 2026

This fake Windows support website delivers password-stealing malware

A phishing campaign has been identified that uses a counterfeit Microsoft support website, microsoft-update[.]support, to trick users into downloading a malicious Windows update disguised as WindowsUpdate 1.0.0.msi. This file, created on April 4, 2026, appears legitimate but contains malware designed to steal sensitive information. The campaign targets French-speaking users, leveraging recent data breaches in France to create convincing scams. The malware, once executed, installs an Electron application that runs a Python interpreter, which then deploys various data theft tools. It employs two persistence mechanisms: modifying the Windows registry and creating a shortcut in the Startup folder. The malware connects to external sites for reconnaissance and data exfiltration, using domains like datawebsync-lvmv.onrender[.]com and store8.gofile[.]io. The malware's components have evaded detection by antivirus tools, with VirusTotal reporting zero detections for the main executable and its launcher. Users are advised to check their registry, remove suspicious files, change passwords, and run a full system scan if they suspect installation of the malicious update. Safe updating practices include using the built-in Windows update feature and being cautious of phishing attempts. Indicators of compromise include specific file hashes, domains associated with the phishing campaign, and file system artifacts related to the malware's installation.

Winsage

April 9, 2026

BlueHammer: Windows zero-day exploit leaked

A proof-of-concept (PoC) exploit called BlueHammer has been released on GitHub, targeting an unpatched local privilege escalation vulnerability in Windows. The exploit, attributed to users Chaotic Eclipse and Nightmare Eclipse, has been modified by security researchers to work on updated versions of Windows 10, 11, and Windows Server. The exploit manipulates Microsoft Defender to create a Volume Shadow Copy, allowing access to sensitive registry files and enabling the extraction of NTLM password hashes. This facilitates the alteration of a local Administrator's password and subsequent login. The exploit can duplicate the Administrator's security token and create a malicious Windows Service that runs with SYSTEM privileges. While there are no reports of BlueHammer being exploited by malicious actors, researchers warn that such PoC code can be weaponized quickly. Microsoft has committed to investigating reported security issues related to this vulnerability.

Tech Optimizer

April 8, 2026

Avast Antivirus: A Complete Guide to the Software and Its Security Features

Avast antivirus is a widely used digital security solution for mobile and desktop platforms, developed by Gen Digital. It offers a free version that is accessible and easy to set up, making it popular among first-time users. Key security features include real-time threat protection, web protection tools, email protection, behavior monitoring, and a network inspector. The software operates quietly in the background, has a clean and intuitive interface, and provides essential security features in its free version. However, users may experience intrusive upgrade prompts, and advanced tools require a paid subscription. Avast distinguishes itself by offering behavioral threat detection in both free and paid versions, and its extensive user base enhances its threat detection capabilities. The free version includes basic protections suitable for everyday online activities, but advanced features necessitate an upgrade. Users are encouraged to adopt strong passwords, utilize password managers, enable two-factor authentication, and practice safe browsing habits to ensure online privacy.

Tech Optimizer

April 7, 2026

Webroot cuts prices by 50% on Total Protection plans — get the bundled VPN, antivirus software, and more from $90 for your first year

Webroot by OpenText is offering a promotion on its Total Protection software services. The Total Protection subscription is available for .99, reduced from .99, covering protection for five devices under one user identity for the first year. The Total Protection Family plan is priced at .99, down from .99, extending protection to ten devices and accommodating ten distinct identities for the first year. Both plans include antivirus, anti-phishing, malware and ransomware protection, a secure VPN, a password manager, unlimited cloud backup for one PC or Mac, advanced dark web monitoring, account monitoring, parental controls, and identity theft insurance with up to million in expense reimbursement.

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 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.

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.

Tech Optimizer

April 3, 2026

Why I Use Additional Antivirus Protection on Top of Microsoft Defender

Microsoft Defender has evolved into a reliable security tool, integrating seamlessly with the Windows operating system and offering features such as real-time malware scanning, cloud-based threat intelligence, collaboration with the Windows firewall, and ransomware protections. It receives automatic updates through Windows Update, providing users with up-to-date threat definitions. While Defender is sufficient for users with straightforward online activities, those engaging in riskier behaviors or handling sensitive information may benefit from additional protection. Some antivirus solutions offer features that Defender lacks, such as enhanced web protections, phishing defenses, and parental controls. The text mentions that the author uses Bitdefender alongside Microsoft Defender for added security, citing its stronger web protections and broader range of tools. It emphasizes that effective security also relies on user habits, including keeping software updated, avoiding suspicious downloads, using strong passwords, and regularly backing up data.

Winsage

April 3, 2026

Man admits to locking thousands of Windows devices in extortion plot

A former core infrastructure engineer, Daniel Rhyne, admitted to locking Windows administrators out of 254 servers during an extortion attempt against his employer in Somerset County, New Jersey. Rhyne accessed the company's network without authorization from November 9 to November 25, deleting network admin accounts and altering passwords for 13 domain admin accounts and 301 domain user accounts to "TheFr0zenCrew!". He also scheduled tasks to modify passwords for two local admin accounts affecting 3,284 workstations and planned to shut down random servers and workstations in December 2023. On November 25, he sent a ransom email demanding 20 bitcoin, claiming IT administrators were locked out and server backups erased. Forensic investigators found he used a concealed virtual machine to plan his actions. Rhyne was arrested on August 27 and faces charges related to hacking and extortion, with a potential maximum sentence of 15 years in prison.