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Missed Windows 11 Secure Boot? Don't panic, Microsoft is still pushing it in the coming months
Winsage
July 29, 2026

Missed Windows 11 Secure Boot? Don’t panic, Microsoft is still pushing it in the coming months

Microsoft reassured Windows 11 and Windows 10 users that their PCs will continue to boot normally and receive updates even if they have not yet received the new Secure Boot 2023 certificates. The rollout of these certificates is expected to continue over the upcoming months. The initial Secure Boot certificate expired on June 24, 2026, and Microsoft has been replacing older 2011 certificates since 2024. The latest update, KB5101650, transitioned Windows 11 to OS builds 26200.8875 and 26100.8875 for versions 25H2 and 24H2, respectively. The 2023 certificates replace older certificates with modern cryptographic standards, allowing Microsoft to deliver DBX revocation updates without interruption. Devices using the 2011 KEK can only receive DBX updates signed with that key, which is no longer valid after June 24. Microsoft has been rolling out the 2023 certificates for the past two years, and many devices remained in a yellow or red status by the June deadline. To check Secure Boot status, users can navigate to Windows Security > Device Security. A green checkmark indicates successful application of the certificates, while yellow and red alerts indicate compatibility issues or firmware incompatibility. PCs that are older or operating in Legacy BIOS mode will not receive the updates. Windows 10 also receives Secure Boot updates, but enrollment in Extended Security Updates (ESU) is required.
As Destiny 2 is laid to rest, Warframe is experiencing 'massive growth,' studio boss says
AppWizard
July 29, 2026

As Destiny 2 is laid to rest, Warframe is experiencing ‘massive growth,’ studio boss says

Sheldon Carter, president of Digital Extremes, noted that while Destiny 2 is facing challenges, Warframe has seen significant growth in recent years. Digital Extremes has shifted its strategy to focus on Warframe's development and promotion, allowing it to thrive and enabling the nurturing of Soulframe, which is still in pre-release. Unlike Bungie, Digital Extremes is concentrating on a single project to build a strong connection with its audience. Carter emphasized that expertise does not prevent past mistakes but allows for quicker recovery. Warframe remains a priority for the studio, praised for its adaptability across various devices, positioning it as a "forever game" that will continue to be updated and relevant despite industry challenges.
'PGSimCity' shows how the PostgreSQL database actually works internally in a SimCity-like 3D environment.
Tech Optimizer
July 28, 2026

‘PGSimCity’ shows how the PostgreSQL database actually works internally in a SimCity-like 3D environment.

PGSimCity is a web application that provides a 3D visualization of PostgreSQL's architecture, allowing users to explore its internal operations during SQL query execution. The application features an interactive interface that guides users through the connection process to PostgreSQL, illustrating how client connections reach the Postmaster and backend processes. It highlights the significance of connection pooling and the impact of increasing connections on backend processes. In the 'Query Lab' section, SQL statements are transformed into execution plans, showcasing processes like Parser, Rewriter, Planner, and Executor, along with execution paths such as Seq Scan and Index Scan. The shared_buffers area represents PostgreSQL's buffer cache, optimizing performance by reading data in 8KiB pages. Visualizations depict data pages stored on disk, with pathways showing the movement of pages to shared_buffers. The Write-Ahead Log (WAL) mechanism records changes for recovery, and transaction commits wait for WAL records to be flushed. Checkpointing writes dirty pages to storage in batches, which can cause latency spikes. PostgreSQL uses Multi-Version Concurrency Control (MVCC) to manage updated rows and dead tuples, which are cleaned up by autovacuum processes. The application also illustrates replication, where WAL from the primary server is sent to the standby server to maintain data consistency. Overall, PGSimCity provides a comprehensive view of PostgreSQL's components and potential performance issues related to caching, WAL management, checkpointing, vacuuming, and replication.
What to look for in antivirus software without the jargon
Tech Optimizer
July 27, 2026

What to look for in antivirus software without the jargon

Shopping for antivirus software can be overwhelming due to technical jargon and extensive feature lists. Key considerations for effective antivirus software include: - Real-time protection: The software should continuously monitor activities and provide automatic protection against threats. - Malware and ransomware blocking: It should defend against various online threats, including malware, spyware, and ransomware. - Firewall protection: A firewall should monitor and block suspicious connections to enhance security. - Performance: The software should operate quietly in the background without interrupting daily tasks. - Frequent updates: Regular updates are essential to combat evolving online threats. - Scam protection: The software should flag suspicious links and messages to prevent cyberattacks before they reach the device. When choosing antivirus software, prioritize these features to ensure effective protection without complicating your life.
What Prevents Zero-Day Exploits? A Practical Guide to Stopping Unknown Threats
Tech Optimizer
July 27, 2026

What Prevents Zero-Day Exploits? A Practical Guide to Stopping Unknown Threats

Zero-day exploits are attacks that take advantage of previously unknown software vulnerabilities before a vendor can issue a patch. These exploits pose significant challenges because organizations cannot address vulnerabilities they are unaware of, and traditional security measures may not effectively identify them. Zero-day vulnerabilities are distinct from zero-day exploits; the former refers to the software flaw itself, while the latter is the method used by attackers to exploit that flaw. Zero-day exploits are particularly dangerous because they give attackers a temporary advantage, allowing them to compromise systems before defenders can respond. These exploits are commonly used in advanced attacks, including ransomware campaigns and espionage. The lifecycle of a zero-day exploit typically involves discovering a vulnerability, weaponizing it, delivering the exploit, executing malicious code, and achieving the attacker's objectives. Traditional antivirus solutions may not consistently prevent zero-day exploits, as they primarily focus on known threats. Endpoint Detection and Response (EDR) platforms provide visibility and detection but do not inherently prevent exploitation. Effective prevention strategies emphasize stopping the exploitation techniques themselves, rather than solely relying on detection. Memory-based attack prevention is a key approach, as all exploits must execute within memory. This method disrupts exploitation techniques and can protect against unknown vulnerabilities. Best practices for preventing zero-day exploits include reducing the attack surface, enforcing least privilege, maintaining aggressive patch management, strengthening identity security, deploying prevention-based endpoint protection, and maintaining a layered security strategy.
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