What’s actually slowing this PC down?

Pick the symptom - the matching free tool is one click away.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more

Short answer: macOS already includes several independent security layers—Gatekeeper, notarization, XProtect, sandboxing, runtime protections, the application firewall and encryption. They block or contain many common threats, but no single control guarantees safety. Third-party antivirus can add capabilities such as broader web-threat blocking, phishing protection, firewall controls or centralized administration. Whether you need one depends on the specific gap you are trying to close, your macOS version and how the Mac is used.

What “built-in antivirus” means on a Mac

Apple does not rely on one scanner. macOS combines prevention, detection, containment and data protection. Apple describes three malware-defense layers: the App Store and Gatekeeper with notarization help prevent unsafe software from launching; Gatekeeper, notarization and XProtect work together to block known malware; and XProtect can remediate malware that has executed.

Apple Support describes XProtect as “built-in antivirus technology called XProtect for the signature-based detection and removal of malware.” That wording is important: XProtect is a real antivirus component, but it is one part of a larger security architecture, not a promise that every new threat will be detected.

Free tools Windows power users keep installed

One-click scans. No signup required.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Apple’s built-in protections, layer by layer

XProtect: signature detection and remediation

XProtect uses YARA rules (signatures) that Apple updates regularly. macOS checks applications at first launch, after an application changes, and when XProtect signatures are updated. When known malware is detected, macOS can block it, alert you and move the identified item to the Trash.

#1 Best Overall
Sale
Compressed Air Duster,130000RPM Super Power Cordless Air Duster,Rechargeable Brushless Blower,3 Gear Adjustable Blower with LED Light,Dust Remover for Computer/House/Outdoor/Car
  • Powerful Turbo Fan:CAGIWIRU Electric Air Duster have reached speed up to 130000RPM,Can efficient remove dust and debris.With LED light and Three Adjustable Speed to meet with different cleaning tasks.
  • With Attached USB C Fasting Charging cable.Charing 3 hours,Enjoy up to 240 minutes of use on the lowest setting, For third speed can use for 25mins.with four charging options to meet with your needs.
  • Wide Application: attached 5 different nozzles,making it suitable for a variety of scenes, such as car,pet, pc, keyboards, and other electronic devices. It also serves for office and home clean duster.
  • Handy Design & Portable:Cordless air duster electric nozzle is Light weight and small size, design and comfortable to hold and space saving, convenient to carry around. You can put it in your room or inside the car without taking up space.
  • Economical &Reusable: Built durable materials with a long-lasting battery,our CAGIWIRU air duster it's a sustainable alternative to disposable air cans.

Apple says XProtect updates are checked daily by default. XProtect also includes behavioral analysis and remediation capabilities intended to address some unknown or evolving malware. That should not be read as a guarantee that every novel sample will be caught: behavioral defenses can reduce risk, but no vendor documents perfect detection.

Gatekeeper and notarization: deciding what may run

Gatekeeper evaluates downloaded applications, plug-ins and installer packages. It checks whether software identifies a developer, carries an Apple developer signature, has passed Apple’s notarization process and has been altered since signing.

With the default settings, downloaded software must come from the App Store or from a registered developer whose software Apple has notarized. You can choose a stricter App Store-only policy, while some users can override the warning to open other software. A device-management service can prevent that override on a managed Mac.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Gatekeeper is primarily an execution-control system. It can stop an untrusted or tampered package before it runs, but it is not a substitute for judging whether a legitimate, signed application is trustworthy or whether a website is attempting to steal your credentials.

File Quarantine and download warnings

macOS records information about files obtained from the internet and uses that information when you open them. This helps Gatekeeper present a warning and apply the appropriate checks to a downloaded application, plug-in or installer. A warning is a security decision point, not an indication that every file without a warning is harmless.

Rank #2
EVEO® Screen Cleaner Spray Kit (Streak-Free) TV Screen Cleaner for Smart TV, Lcd, LEd, Oled | Computer Screen Cleaner Spray and Wipe Microfiber Cloth - TV, Monitor, Laptop, iPad, Car - 6.7oz 1 Pack
  • Screen Cleaner is Your Screen’s New Bestfriend! - EVEO is proud to present a screen cleaner that’s perfectly suited for your TV. Meet your new screen cleaner, computer screen cleaner, laptop cleaner, iPad cleaner, Macbook,tv cleaner or any other electronic device. Our screen cleaner spray and wipe along with the included plush microfiber cloth, easily removes dust, fingerprints & other smudges on the screen’s surface. Clean effectively for a streak-free screen
  • Gentle on your Screens - Our screen cleaner spray and wipes is compatible to be used even for the most sensitive LCD, LED, CRT, and OLED screens in proper use. Be at ease knowing that this product is compatible with all the major brands: LG, SONY, Samsung, Sharp, iPad, iPhone, Android screens, Kindle, PC monitors - we’ve got you covered! Can be used as LCD screen cleaner, tv cleaner, smart tv screen cleaner, and more
  • Premium Super Soft Plush Microfiber Cloth - Included in this efficient screen cleaning kit. This screen cleaner spray and wipe has our signature plush microfiber cloth specially designed to comply with screens and monitors and leave them streak-free. Has been shown to effectively absorbs stubborn stains, zero streaks, and no fiber shedding. Always use this together with our screen cleaner for the best results
  • Easy-to-Use Screen Cleaner Kit + microfiber cleaning cloth - The EVEO Screen Cleaning Kit will easily be your new favorite tool when it comes to taking care of the things you love most, quick and easy solution for a streak-free screen. Simply screw on the sprayer gun on the screen cleaner bottle. Spray the cleaning liquid onto the microfiber cloth, then wipe the screen until desired cleanliness & shine is achieved.
  • Quality Screen Care Kit Worth Purchasing - Enjoy a convenient Screen Cleaner anytime, anywhere you need it. Your satisfaction is our top priority. We stand behind the quality of our products and that’s why, you shouldn’t be worrying at all. We manufacture the Best Screen Cleaner. and can be used for laptop cleaning kit, laptop screen cleaner, tv screen cleaner for smart tv. MacBook screen cleaner, monitor cleaner or screen cleaner spray for electronic devices with microfiber cleaning cloth

Sandboxing and runtime protections

Many App Store applications run in a sandbox that limits access to other applications’ data and to sensitive system resources. macOS also shields system files, resources and the kernel from ordinary application space. These controls contain damage and restrict what a compromised application can reach; they are access-control and isolation measures, not antivirus scans.

Permissions such as Full Disk Access, Accessibility and Screen Recording can expand an application’s reach. Grant them only to software you trust and remove them when they are no longer needed. A signed application can still be abused if you authorize powerful permissions or enter credentials into a convincing fake prompt.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Application firewall: inbound connection control

The macOS application firewall can control incoming connections to applications. It addresses a different problem from malware scanning: an unwanted service accepting network traffic. It does not inspect every website for phishing, scan all files for malware signatures or guarantee that an application’s outgoing connection is safe.

FileVault and Apple silicon data protection

FileVault encrypts the contents of a Mac’s startup disk so that a lost or stolen computer does not automatically expose its files. On supported Apple silicon Macs, hardware-backed data-protection mechanisms and key management rooted in the Secure Enclave add protection for data at rest.

Encryption protects stored data; it does not stop a malicious application that is running while you are logged in. Likewise, Gatekeeper does not replace backups, and XProtect does not encrypt your documents. Each control covers a different threat category.

Rank #3
Sale
BladeHawks RGB Gaming Mouse Pad Extra Large Extended 31.5x12 Inch-Black | LED mouse pad with 14 lighting modes, covers keyboard & mouse, anti-slip rubber base, waterproof surface, USB powered
  • 【Large size】:Measuring 800 x 300 mm/ 31. 5×12 inches, which is wider and taller than others. Large mouse pad can perfectly fit your keyboard and mouse of any size, and there is also ample space for peripherals such as phones, tablets, etc.
  • 【LED backlight mouse pad】:Blade Hawks RGB mouse pad provides 7 static modes and 7 dynamic modes will give you the options you are looking for. Power-off memory function remembers the last lighting mode you selected. The super glow fiber Chroma will give you a colorful gaming setup that you want.
  • 【Anti-slip rubber base】:Made from Natural rubber, this gaming mousepad will firmly grip your desktop, allowing you to enjoy the ultimate precision in the games you are most passionate about. It also comes with a texture that enhances this ability even further.
  • 【Smooth and waterproof surface】: Micro-textured cloth surface, for extremely precise mouse control and a smooth movement. When liquid splashes on the gaming mouse pad, it forms water droplets and slides down. Will not delay your work or gameplay.
  • 【Plug and play】: This mouse and keyboard pad is powered by USB, plug and play, no driver required. One button control light modes. Press one time to change the lighting mode, press twice to change the brightness, press and hold about 3 seconds turn ON/OFF.

What third-party antivirus may add

Commercial security products commonly combine an on-access malware engine with web, phishing, ransomware, firewall or administration features. Those are feature categories, not proof that a product detects more threats than Apple’s controls. Vendor pages describe what a product is designed to do; they do not constitute an independent, current head-to-head efficacy test.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Malware, ransomware and spyware scanning

A third-party engine may scan files in real time, perform scheduled scans, inspect removable media or offer an on-demand second opinion. Some products advertise protection against Mac malware, ransomware and spyware. Check whether real-time protection is included in the exact plan and whether it supports your macOS release.

Malicious-site and phishing protection

Some products advertise browser or network protection that blocks known malicious sites, fraudulent pages and other online threats before content loads. This can complement Gatekeeper, which evaluates software you download, but the two functions are not interchangeable. Confirm which browsers, browsers extensions and device types are supported; vendors may vary features by product tier or device.

Firewall and network controls

Some suites add an application firewall that monitors communications and can block unauthorized traffic. Advanced products may expose more detailed per-application rules or network alerts than the standard macOS interface. More prompts also mean more decisions: poorly understood rules can block legitimate services or create a false sense of security.

Centralized administration

Businesses may choose a managed endpoint product for policy enforcement, fleet reporting, incident response and remote remediation. Those capabilities can justify an additional agent even when individual Macs already have Apple’s protections. A home user generally does not need centralized policy controls.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
Rank #4
Sale
Vaydeer Wrist Rest for Keyboard and Mouse, Computer Ergonomic Wrist Support Pad, Soft Memory Foam Arm Cushion for Desk, Palm Hand Office Laptop Typing
  • 【Softer and More Comfortable】Vaydeer wrist rest has unique diamond pattern, which is the combination of softness and aesthetics. The materials of wrist rest are improved into higher quality memory foam and covered with silky smooth lycra. The computer wrist rest makes you as comfortable and cushiony as like rest your wrists on clouds.
  • 【Ergonomic Wrist Saver】The wrist rests for keyboard and mouse comes with a 17.32×3.15×0.83 inch keyboard wrist pad and a 5.94×3.15×0.83 inch mouse wrist support. Based on ergonomic design, the unique concave shape is the perfect fit for your wrist joints. The wrist rest pad fits most computer keyboards and laptops, improve hand and wrist posture, release your wrist and arm stress.
  • 【Non-Slip Rubber Bottom】Featuring an anti-skid silicone base on the bottom, this wrist keyboard support stays firmly in place on your desk, preventing the padding from sliding around, ensuring stable and consistent wrist support during extended computer sessions.
  • 【Better Experience & Pain Relief】Our keyboard arm rest is beneficial to alleviate the soreness caused by direct contact and friction between your arm and a hard desk surface, reducing the risk of wrist fatigue or carpal tunnel. The soft texture of memory foam can evenly distribute the pressure around your wrists and provide good support with just enough give.
  • 【Helpful in Multiple Scenarios】Whether you're working, studying, writing, typing, gaming, this keyboard and mouse rest combo is an essential accessory to add comfort and support to your hands and wrists. It’s also a great gift for men, women, family, friend, coworker, gamer, teacher, etc.

Subscription and compatibility limits

Third-party protection is usually licensed by subscription, and renewal terms can differ from the introductory price. Features may vary by plan, country, device count and operating-system version. A product page is not enough to establish that a feature is included on your particular Mac; read the current compatibility and plan details before buying.

Built-in macOS controls versus common third-party features

Security need macOS provides What a third-party product may add Important qualification
Known malware XProtect YARA signatures, launch checks, alerts, removal and remediation Another scanning engine, scheduled scans or second-opinion scans Neither source establishes perfect or universally superior detection.
Unsafe downloads Gatekeeper, notarization and File Quarantine Additional reputation checks and download scanning Gatekeeper settings and override ability depend on user or administrator policy.
Malicious websites Browser and operating-system warnings vary by service Advertised web, phishing and malicious-site blocking Availability can vary by product tier, browser, device and OS.
Inbound network traffic Built-in application firewall More detailed rules, alerts or network monitoring Firewall controls do not equal malware or phishing detection.
Compromised applications Sandboxing, system-integrity and runtime protections Additional behavior monitoring or exploit defenses These are complementary containment layers, not identical controls.
Data on a lost Mac FileVault and Apple silicon data protection Some products add backup or identity features Encryption protects data at rest, not an active session.
Multiple Macs Device-management frameworks and Apple security settings Central console, policy enforcement and fleet reporting Most relevant to organizations rather than a single personal Mac.

How to check and strengthen Apple’s protections

Keep macOS and security data current

  1. Open System Settings and choose General, then Software Update.
  2. Install available macOS security updates and restart when prompted. Updates can change Gatekeeper behavior, runtime protections and XProtect components.
  3. In System Settings > General > Software Update > Automatic Updates, enable automatic security responses and system-data updates where those options are offered by your macOS version.

Review app-installation policy

  1. Open System Settings > Privacy & Security.
  2. Under the security section, review which sources are allowed for downloaded applications. The strictest choice is the App Store only; the standard choice also permits identified developers and notarized software.
  3. Do not bypass a warning merely because an installer is inconvenient. Verify the developer, download source and file integrity first. On a managed Mac, contact the administrator rather than attempting to override policy.

Turn on disk encryption

  1. Open System Settings > Privacy & Security > FileVault.
  2. Turn on FileVault and store the recovery key in a secure location that is separate from the Mac.
  3. Confirm that you can retrieve the recovery key before relying on FileVault during a lost-device incident. Encryption cannot recover files deleted by malware, so maintain a separate, tested backup.

Review firewall and privacy permissions

  1. Go to System Settings > Network > Firewall and turn on the firewall if it is disabled.
  2. Use System Settings > Privacy & Security to review Full Disk Access, Accessibility, Screen Recording and other sensitive permissions.
  3. Remove access for applications you no longer use. Investigate unexpected prompts instead of automatically clicking Allow.

When an extra antivirus layer is reasonable

  • You need web-threat filtering: You regularly encounter risky links, use several browsers or want a product that blocks known malicious sites and phishing pages.
  • You manage many Macs: Central reporting, policy enforcement and remote response matter more than the convenience of a single personal device.
  • Your organization requires it: A workplace, school or insurer may mandate a specific endpoint agent.
  • You exchange files with less-protected systems: An on-demand scanner can check incoming archives or removable drives before you share them.
  • You want another monitoring layer: A second product may provide alerts or behavior monitoring that fit your risk tolerance, provided it is compatible and does not conflict with existing security software.

Installing an additional product is not automatically safer. Multiple real-time engines can duplicate scanning, consume resources, generate conflicting alerts or encourage users to approve prompts without understanding them. If you add one, use a current Mac-compatible release, enable only the features you need and keep its subscription and update status visible.

Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

When Apple’s built-in layers may be sufficient

For many personal Macs, keeping macOS updated, leaving Gatekeeper at its default policy, using FileVault, limiting privileged permissions and practicing cautious downloading provides a sensible baseline. That baseline is strongest when you install software from trusted sources, use unique passwords with multifactor authentication and keep recoverable backups.

“Sufficient” is a risk decision, not a technical certification. A person handling regulated data, administering servers, opening unknown attachments daily or operating under an employer’s security policy may reasonably choose additional controls. A person who wants an extra product only because Macs are assumed to be immune to malware should first correct that assumption: Macs can be targeted, and Apple’s protections reduce risk rather than eliminate it.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

A practical comparison checklist

Compare a specific third-party product against the native control that addresses the same problem. Record the answers before installing it:

Best Value
Sale
Under Desk Cable Management Tray No Drill, Metal Mesh Cable Management Under Desk with Clamp Mount, 2 Hole Cable Tray with Wire Management and Cord Organizer for Home Office Standing Desk
  • 【No Drill Mounted】Cable management tray can be assembled in as little as 3 minutes or less-simply. Side clips easily clampe the edge of desk, pass through the holes on the sides, and secure excess cables with baskets. Desk cable management supports inward or outward installation to meet your needs in different scenarios, and provides you with great convenience when collecting and organizing wires.
  • 【Rubber Pad Protects Desk】Wire organizer under desk built-in soft rubber pads on the clamp protect your desk from scratches, so you will not damage your furniture or office.
  • 【Sturdy and Beautiful】Cord management under desk is made of high-quality carbon steel and holds about 15 lbs. The wire basket has 2 holes on each side of the tray to enable your cables to pass freely. Cable baskets are suitable for desk thickness use from 0.4" to 2.4".
  • 【Space Saving & Keep Organized】Desk cable management tray holds all your power cords, outlet strips, USB hubs and computer transformers hidden from your feet, and the data cables will not enter the vacuum cleaner to keep your desk clean and tidy. Desk wire organizer is also suitable for use in the kitchen and outdoors.
  • 【Reduce Safety Risks】Cable tray under desk keeps all plugs away from your kids, no more worry about tripping. Using 2 holes wire tray saves extra space, helps you easily cabling and wire protection. The mesh design is not easy to accumulate dust, but avoids safety accidents caused by messy wires.
  • Threat scope: Does it cover malware, ransomware, spyware, phishing, malicious websites, inbound traffic or a combination?
  • Protection mode: Is the feature real-time, scheduled or on-demand?
  • Exact Mac support: Which macOS versions, Apple silicon models and Intel models are supported?
  • Browser and device coverage: Does web protection work in your browser, and is the feature available on your plan?
  • Administration: Do you need a local application or a management console?
  • Performance and prompts: Can you understand and respond to its alerts without weakening protection?
  • Renewal terms: What is the recurring price, renewal date and cancellation process?
  • Independent testing: Are there recent, independent results for the relevant macOS release and product version? Marketing claims alone cannot answer that question.

Common mistakes and how to recover

“Macs cannot get malware”

That is false. macOS defenses make many attacks harder, but malicious applications, phishing, credential theft and abuse of authorized permissions remain possible. Keep defenses enabled and treat unexpected prompts as suspicious.

“XProtect guarantees safety”

XProtect is signature-based, regularly updated and capable of remediation, with behavioral analysis for some unknown malware. Apple does not present it as a guarantee against every future threat. Update promptly and use layered account, browser and backup practices.

Bypassing Gatekeeper for convenience

If you override a warning, first verify the developer and obtain the installer from the developer’s legitimate distribution channel. If the warning says the app is damaged or has been modified, download a fresh copy and investigate rather than repeatedly forcing it open.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Granting excessive permissions

Review sensitive permissions after installing utilities that request broad access. Revoke access that is unnecessary, uninstall software you no longer trust and change credentials if you entered them into a suspicious application or website.

Relying on antivirus instead of backups

Detection cannot undo every deletion or encryption event. Keep at least one backup that is not continuously writable from the Mac, and periodically verify that files can actually be restored.

The decision in one sentence

Start with Apple’s layered defenses, identify the exact remaining gap—malware scanning, malicious-site blocking, firewall visibility or centralized management—and add a compatible third-party control only when it solves that gap better for your situation than the built-in settings and your own security practices.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.