Antivirus Archives

Tech Optimizer

August 16, 2026

Best Android Antivirus Apps 2026: Tested and Ranked

Bitdefender Mobile Security is rated as the best antivirus app for Android in 2026, achieving a 100% detection rate, 0.5% battery drain, and unobtrusive operation. The evaluation compared five antivirus applications on a Galaxy S26 Ultra, assessing detection rates, battery drain, scan speed, and permissions. Other notable antivirus apps include Norton 360 for Mobile, which is recognized for its features; Avast Mobile Security, known for its free version; McAfee Mobile Security, which excels in scam call and text filtering; and NordVPN Threat Protection, praised for web and Wi-Fi security. Most users may not need an antivirus app due to built-in protections like Google Play Protect, which automatically scans apps. However, specific scenarios warrant the installation of an antivirus app, such as sideloading apps, receiving scam texts and calls, assisting relatives, conducting banking and shopping on mobile, and using public Wi-Fi. The top five antivirus apps tested are: 1. Bitdefender Mobile Security: 100% detection, 0.5% battery drain, 31-second scan time. 2. Norton 360 for Mobile: 99.9% detection, 0.9% battery drain, 24-second scan time. 3. Avast Mobile Security: 99.9% detection, 0.7% battery drain, 26-second scan time. 4. McAfee Mobile Security: 99.78% detection, 1.0% battery drain, 34-second scan time. 5. NordVPN Threat Protection: 95.60% detection of web threats, 0.2% battery drain. Battery consumption varied, with NordVPN being the lightest and McAfee the heaviest. Permissions requested by each app also varied significantly, with Bitdefender requiring the most extensive permissions. Users are advised to check for legitimate antivirus apps by verifying the developer, installation count, update history, lab participation, and permission requests. Free antivirus apps like Avast and AVG offer effective protection but may lack some features of paid versions. Users should be cautious of fake security apps that mimic legitimate ones. If malware is suspected, users can run scans with Google Play Protect or other anti-malware apps and follow specific steps to remove malware if detected.

Tech Optimizer

August 16, 2026

Do you really need an antivirus app on your Android?

The relevance of third-party antivirus software for mobile devices has declined as modern Android devices come with robust built-in security features. Google Play Protect blocks millions of harmful apps and conducts regular scans of installed apps. Android employs sandboxing technology to isolate applications, has a proactive permissions system, and provides regular security updates. While Android is not immune to malware, many threats now arise from social engineering tactics rather than technical vulnerabilities. Users face risks when connecting to public Wi-Fi networks, and malicious push notifications can mislead them. Third-party antivirus may be beneficial for users who sideload apps or notice signs of infection, but for most users, Google's Play Protect suffices. Older devices lacking updates are at higher risk, and while antivirus apps can provide additional protection, education and user vigilance are crucial for minimizing risk.

Tech Optimizer

August 16, 2026

Best Free Antivirus Software 2026

Over the past decade, free antivirus software has significantly improved, now competing with paid security suites in malware protection. Independent testing from 2026 shows that Avast and AVG have achieved top scores in protection, performance, and usability. Microsoft Defender is a reliable option for Windows users who prefer not to install additional software. The leading free antivirus options in 2026 include Avast Free Antivirus, AVG AntiVirus Free, Microsoft Defender Antivirus, Bitdefender Antivirus Free, Avira Free Security, and Malwarebytes Free. Avast Free Antivirus received perfect scores of 6/6 in protection, performance, and usability from AV-TEST in May and June 2026, totaling 18 out of 18. AVG AntiVirus Free matched these scores and also received an Advanced+ rating from AV-Comparatives. Microsoft Defender scored 6/6 in protection, 5.5/6 in performance, and 6/6 in usability, totaling 17.5 out of 18. Bitdefender Antivirus Free is recognized for its lightweight protection, while Avira Free Security offers additional utilities. Malwarebytes Free is noted for its effectiveness in malware removal. Antivirus software is essential in the current cybersecurity landscape, which includes threats like ransomware and phishing attacks. In 2025, the FTC reported approximately .8 billion in fraud losses, a 25% increase from the previous year. While antivirus software cannot eliminate all forms of online fraud, it plays a crucial role in preventing attacks from escalating to data theft or system compromise. Users should be cautious of counterfeit antivirus software and are advised to download programs from official vendor websites. Free antivirus solutions generally focus on malware detection, while paid options offer additional services. For Windows 11 users, Avast Free Antivirus, AVG AntiVirus Free, and Microsoft Defender are recommended options based on 2026 evaluations.

Tech Optimizer

August 16, 2026

4 Outdated Cybersecurity Tips That No Longer Keep You Safe

Creating strong passwords and storing them securely in a password manager is essential. Utilizing multi-factor authentication (MFA) adds an extra layer of security, with passwordless options like passkeys and security keys enhancing convenience and security. Public Wi-Fi networks pose significant risks, as hackers can use Man-in-the-Middle (MitM) attacks to intercept data. Using a Virtual Private Network (VPN) can enhance security by encrypting data. Traditional antivirus software may struggle against adaptive malware, which uses machine learning to evade detection. Companies like Bitdefender have integrated machine learning into their antivirus solutions. Two-factor authentication (2FA) is commonly used but can be bypassed by hackers. Transitioning to passkeys and security keys can improve protection against unauthorized access.

Tech Optimizer

August 15, 2026

A Windows Defender bug is making VLC take 30 seconds to open an MP3 file

Jonathan Blow criticized the VLC media player for significant performance issues, specifically a 33-second delay in loading MP3 files, and announced his intention to switch to Microsoft Media Player. The VideoLAN team responded, attributing the delays to a known issue with Microsoft’s Windows Defender antivirus software, which quarantines the VLC plugin cache. They suggested users could resolve the issue by reinstalling VLC or regenerating the plugin cache. VLC has been downloaded over 6 billion times across various platforms. Microsoft Defender has been known to cause false positives and interfere with third-party applications. Some users have found success using alternative antivirus solutions like Bitdefender Antivirus Free to avoid conflicts with VLC. Additionally, there are suggestions that using VLC for MP3 playback may not be practical, and switching to Microsoft Media Player is viewed unfavorably compared to alternatives like Foobar2000.

Tech Optimizer

August 15, 2026

4 Outdated Cybersecurity Tips That No Longer Keep You Safe

Creating robust passwords and storing them securely in a password manager is essential. Utilizing multi-factor authentication (MFA) is recommended for added security. Passwordless options like passkeys and security keys enhance convenience and security. Public Wi-Fi networks pose significant security risks, and caution is necessary when connecting. Hackers often use Man-in-the-Middle (MitM) attacks to intercept data on unsecured networks. Using a Virtual Private Network (VPN) can safeguard data by encrypting it before transmission. VPN routers can encrypt data for devices that cannot install a VPN. Traditional antivirus software may struggle against adaptive malware, which uses machine learning to evolve and evade detection. Companies are integrating machine learning into their antivirus solutions. Two-factor authentication (2FA) is commonly used but has diminished effectiveness due to new tactics employed by cybercriminals. Users should consider transitioning to passkeys and security keys for better protection against unauthorized access.

Tech Optimizer

August 14, 2026

Best Antivirus for Mac 2026: Real Test Results and Ranking

Bitdefender Antivirus for Mac is the leading antivirus solution for Mac users in 2026, particularly effective on Apple Silicon and against live macOS threats. It achieved the highest malware detection rates, the fewest false alarms, and minimal impact on startup time. Other notable antivirus options include Norton 360 for Mac, Avast One for Mac, NordVPN Threat Protection Pro, McAfee Total Protection for Mac, and Malwarebytes for Mac. Each antivirus was tested on a MacBook Air against various malware, adware, and phishing threats, focusing on real-time protection, adware removal, and system performance impact. macOS includes built-in protections like XProtect, Gatekeeper, System Integrity Protection, app sandboxing, and Lockdown Mode, which provide a solid defense for users who only install software from the App Store. However, users who install software from outside the App Store, transfer files between Mac and Windows, store sensitive data, use second-hand Macs, or have previously encountered malware may need additional antivirus software. Common threats for Mac users include adware, infostealers, and malvertising. The rankings of antivirus solutions were based on AV-TEST results, malware tests, system impact, and unique features. Bitdefender received a perfect score at AV-TEST and demonstrated 99.9% malware detection with only one false alarm. Free antivirus options like Avast One for Mac and Malwarebytes Free are available, with Avast One providing genuine real-time protection at no cost.

Tech Optimizer

August 14, 2026

‘This one just needs a script’: Researchers find ultimate Windows kill switch which can disable antivirus with almost no user interaction

Researchers have identified a significant vulnerability in consumer DDR4 and DDR5 memory modules, known as the “Download more RAM” flaw, which allows attackers to bypass advanced Windows security features, including Virtualization-Based Security (VBS) and Hypervisor Code Integrity (HVCI). This vulnerability enables the manipulation of configuration reports from RAM, misleading the system about its actual memory capacity, which can disable antivirus protections and allow the reintroduction of outdated drivers. The exploit can be executed via a single-click script, leading to security failures. Microsoft has released a patch for CVE‑2026‑23670 to enhance memory write protection against such exploits.

Tech Optimizer

August 13, 2026

The best antivirus software to protect your computer in 2026

Bitdefender Total Security is currently the top recommendation for antivirus software, offering comprehensive protection for personal data and effective threat neutralization for an annual fee. Norton Antivirus Plus is a cost-effective option for a single device, while ESET Protect is suggested for business customers. Bitdefender is highlighted for its lightweight design and additional features like a built-in VPN. Norton Antivirus Plus includes essential features such as threat monitoring and cloud backup. Avira Free Security is noted as a strong free option with a robust malware scanner, while ESET Protect offers customizable security features for small- and medium-sized enterprises. The effectiveness of antivirus software remains significant despite improvements in operating system defenses. The choice between free and paid antivirus solutions depends on individual needs and desired protection levels.

Tech Optimizer

August 13, 2026

PSA: Don’t trust that Chrome update popup

Users of Chromium-based browsers, including Google Chrome, Brave, and Opera, are experiencing deceptive pop-ups that falsely claim a "Critical Update Required" or "Update available." These notifications are part of a scam designed to trick users into downloading malware disguised as software updates. Clicking on these prompts can lead to the download of harmful scripts, such as .vbs or .exe files, which traditional antivirus software often fails to detect. The issue is linked to compromised browser extensions that fetch malicious scripts from external servers. A specific extension, QuickLens – Search Screen with Google Lens, has been identified as a source of these pop-ups and has been removed from the Web Store. Other extensions, like “Enable Right Click & Copy Smart Unlock + OCR,” have also been implicated despite their popularity. Users are advised not to click on any links or run downloaded files and to check their browser settings for legitimate updates, as well as to audit and disable suspicious extensions.