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The CoreLock blog covers Mac security topics including antivirus guides, malware detection and removal, privacy permission audits, network monitoring, threat intelligence reports, and macOS security best practices. Written by Hassanain, CoreLock's founder, with hands-on expertise in endpoint security, AI-powered threat detection, and privacy engineering. Topics include how to protect your Mac from malware, which apps have camera and microphone access, hidden processes running on macOS, and comparisons with Norton, Malwarebytes, and CleanMyMac.

CoreLock Blog

Security tips, product updates, and privacy guides.

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Deep DivesGuidesOpinionPrivacy GuidesSecurity TipsNewsReviewsPrivacyComparisonsPerformanceResearchProduct Updates
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Deep Dives

Mac Keychain Security: How It Works, What's At Risk, and How to Protect It

Your Mac Keychain stores every password, certificate, and secure note on your computer. Infostealers target it first. Here's how Keychain security actually works and how to keep it safe.

9 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Guides

What a Free Mac Security Scan Actually Finds (Real Results)

We ran CoreLock's free scan on 50 Macs and the results were eye-opening. Here's what we found — and what most Mac users don't know about their own machines.

7 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Opinion

Is macOS More Secure Than Linux? An Honest Comparison

Developers switching between macOS and Linux often ask which is more secure. The answer depends on what you're protecting against and how much effort you're willing to invest.

9 min read
Privacy Guides

Apple Intelligence Privacy: What's Processed On-Device vs in the Cloud

Apple Intelligence processes some AI features on your Mac and sends others to Apple's servers. Here's exactly what stays local, what goes to the cloud, and what it means for your privacy.

8 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Deep Dives

What Is a Zero-Day Vulnerability? A Mac User's Guide

Zero-day vulnerabilities are security flaws that get exploited before Apple can patch them. Here's what they are, why they matter, and what you can do when one hits macOS.

8 min read
Guides

Claude Code Security on Mac: What Developers Should Know

Claude Code runs in your Terminal with access to your files, network, and system commands. It's an incredible tool — but here's how to use it safely.

8 min read
Privacy Guides

Browser Extensions Are a Bigger Security Risk Than You Think

That Chrome extension you installed three years ago? It might have been sold to a new owner, injected with adware, or is quietly reading every page you visit. Here's what to do about it.

7 min read
Security Tips

7 Mac Security Mistakes Developers Make (And How to Fix Them)

Developers have the most powerful — and most vulnerable — Macs. SSH keys, API tokens, full disk access for Terminal, npm packages running arbitrary code. Here are the mistakes that put you at risk.

8 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Guides

How to Secure Your Mac in Under 5 Minutes

You don't need to be a security expert to protect your Mac. These 7 quick changes take less than 5 minutes and dramatically improve your security.

5 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
News

North Korean Hackers Are Targeting Macs — And They're Getting Better at It

State-sponsored groups like Lazarus and BlueNoroff are actively targeting Mac users with sophisticated malware. Here's how the attacks work and how to protect yourself.

8 min read
News

AirBorne: The AirPlay Vulnerability That Lets Attackers Into Your Mac Without a Click

Security researchers found zero-click, wormable vulnerabilities in Apple's AirPlay protocol. Here's what AirBorne means for your Mac and what you should do about it.

7 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Security Tips

How to Check Your Mac for a Keylogger

I noticed something weird last week. My Mac's fan was running constantly, even though I wasn't doing anything intensive. Just sitting there with Safari...

7 min read
Guides

How to Check Your Mac for Unauthorized Network Connections

Your Mac is making dozens of network connections right now. Most are legitimate — but some might not be. Here's how to find out exactly what's connecting and where your data is going.

8 min read
Deep Dives

What Is sudo on Mac and When Should You Use It?

I still remember the first time I saw someone run `sudo rm -rf /` in a forum post as a "solution" to a macOS problem. Spoiler alert: it wasn't a solution —...

7 min read
Security Tips

AirDrop Security: Can Someone Send You Malware via AirDrop?

AirDrop feels like magic until you start thinking about the security implications. You're essentially allowing nearby devices to beam files directly to your...

7 min read
Deep Dives

MCP Security Risks: What Mac Users Need to Know About AI Tool Servers

The Model Context Protocol lets AI agents use tools on your Mac. But MCP servers can access your files, network, and system — with almost no security controls. Here's the full picture.

9 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Reviews

Is CleanMyMac Safe to Use? An Honest Review

CleanMyMac X has been around forever — at least in Mac years. MacPaw's been pushing this "Mac cleaner" since 2009, and honestly, it's one of those apps that...

7 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Security Tips

Mac Infostealers in 2026: What They Steal, How They Spread, and How to Stop Them

Infostealers are the fastest-growing Mac threat in 2026. They target your passwords, cookies, crypto wallets, and Keychain — often in under 30 seconds. Here's what you need to know.

8 min read
Guides

How to Find Out Which Apps Are Using the Internet on Your Mac

Your Mac is constantly talking to the internet, even when you think it's just sitting there idle. Apps are checking for updates, syncing data, sending...

8 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Deep Dives

Prompt Injection Explained: The #1 Threat to AI Agents on Your Mac

Prompt injection is how attackers hijack AI agents — hidden instructions in emails, web pages, and documents that turn your agent against you. Here's how it works and how to stay safe.

10 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Opinion

Should I Turn On the Mac Firewall? Here's My Take

I've been building Mac security software for years, and one question keeps coming up: should you actually turn on macOS's built-in firewall? The answer...

6 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Guides

AI Agent Security on Mac: The Complete Guide for 2026

OpenClaw, Claude Code, MCP tools — AI agents are powerful, but they have full access to your Mac. This is the definitive guide to running them safely.

14 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Security Tips

Mac Firewall: Should You Turn It On or Off?

The macOS firewall is probably turned off on your Mac right now. Most people never touch it, and honestly, that's not necessarily wrong. But if you're...

7 min read
Privacy

Is Your Mac Sending Data to Apple? What We Actually Know

I discovered something weird a few months ago. I was troubleshooting a network issue on my MacBook and noticed persistent connections to Apple servers —...

7 min read
Deep Dives

Malicious OpenClaw Skills: The Supply Chain Attack Targeting Mac Users

Hundreds of malicious skills have been found in the OpenClaw ecosystem. They can execute arbitrary code on your Mac the moment you install them. Here's what's happening and how to stay safe.

9 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Reviews

XProtect vs Third-Party Antivirus: What Actually Protects Your Mac?

Apple's been shipping security tools with macOS for over a decade, yet most Mac users have no idea what they actually do. The built-in protection is more...

8 min read
Deep Dives

How to Find Suspicious Network Connections on Your Mac

Your Mac is constantly talking to the internet, even when you think it's just sitting there doing nothing. Some of these conversations are perfectly normal...

8 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Security Tips

What Is a ClickFix Attack? The Mac Threat You Haven't Heard Of

ClickFix tricks you into running malicious Terminal commands by pretending to fix a problem. It's spreading fast in 2026, and your Mac's built-in security won't stop it.

7 min read
Privacy

Full Disk Access on Mac: Which Apps Should Have It (And Which Shouldn't)

Full Disk Access is probably the most powerful permission you can grant an app on your Mac. It's also the one most people understand least.

7 min read
Privacy

Which Apps Have Screen Recording Permission on Your Mac (And Why It Matters)

I discovered something unsettling last week while auditing permissions on my personal Mac. A screen recording app I'd installed months ago — one I barely...

8 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
News

macOS Sequoia Security Patches in 2026: Every Fix That Matters

Apple has patched hundreds of security vulnerabilities in macOS Sequoia this year. Here's what was fixed, what was exploited in the wild, and what it means for your Mac's security.

8 min read
CoreLock

Performance

System resource monitor

Healthy
CPU34%
Memory67%
Disk52%
Battery81%

Top Processes

Chrome

18% CPU

1.2 GB

VS Code

12% CPU

890 MB

Slack

4% CPU

340 MB

Tip: Chrome is using 18% CPU with 47 tabs open. Closing unused tabs could free 600 MB.

Comparisons

CleanMyMac vs CoreLock: Which Is Right for You in 2026?

CleanMyMac is the popular Mac optimizer. CoreLock is the free security-first alternative. Here's an honest comparison of what each does best.

7 min read
CoreLock

App Trust

23 apps scanned — 18 trusted, 4 signed, 1 unsigned

18

Verified

4

Signed

1

Unsigned

0

Invalid

SafariVerifiedNotarized

Apple Inc.

VS CodeSignedNotarized

Microsoft Corp.

ZoomVerifiedNotarized

Zoom Video Comm.

sketch_toolUnsigned

Unknown

Security Tips

How to Check If an App on Your Mac Is Signed and Safe

Not all Mac apps are created equal. Here's how to check if an app is properly signed, notarized, and safe to run — using built-in tools and one terminal command.

7 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Guides

How to Check Your Mac for Malware in 2026 (Free Methods)

Your Mac might have malware right now and you'd never know. Here are the actual free methods to check — not vague advice, real steps with real tools.

8 min read
Guides

10 Terminal Commands Every Mac User Should Know for Security

The first time I opened Terminal on my Mac, I was genuinely terrified I'd break something. Fast forward a few years, and I'm running commands daily to check...

8 min read
CoreLock

Privacy Audit

4 permission categories scanned

1 suspicious

Camera

4 apps

Zoom
FaceTime
Slack
Unknown AppSUSPICIOUS

Microphone

2 apps

Zoom
Discord

Screen Recording

1 app

Loom

Full Disk Access

3 apps

Terminal
VS Code
CoreLock
Privacy

Mac Privacy Permissions Explained: Camera, Mic, Screen Recording, and More

macOS tracks which apps have access to your camera, microphone, screen, and files. Here's how to check every permission and revoke the ones you didn't mean to grant.

8 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Comparisons

Norton vs CoreLock: Heavyweight vs Lightweight Mac Security

Norton 360 costs $49.99/year and runs heavy background processes. CoreLock is free with 23 scanners and zero system drag. Here's how they actually compare.

8 min read
CoreLock

Performance

System resource monitor

Healthy
CPU34%
Memory67%
Disk52%
Battery81%

Top Processes

Chrome

18% CPU

1.2 GB

VS Code

12% CPU

890 MB

Slack

4% CPU

340 MB

Tip: Chrome is using 18% CPU with 47 tabs open. Closing unused tabs could free 600 MB.

Performance

Why Is My Mac Running Slow? How to Find the Culprit Process

Your Mac is slow, and it's almost always one process hogging resources. Here's how to find it and fix it in under 2 minutes.

7 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Deep Dives

When AI Agents Go Rogue: 5 Real Incidents and What They Teach Us

AI agents have already leaked private conversations, attempted to drain crypto wallets, and deleted years of email. Here are the real incidents — and what every Mac user should learn from them.

9 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Security Tips

Running OpenClaw on Your Mac? Here's What You Need to Know About Security

OpenClaw gives AI agents full access to your Terminal, files, and network. That's powerful — and risky. Here's how to stay safe while using AI agents on macOS.

10 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Security Tips

How to Check Your Mac for Spyware in 2026

Spyware on Macs is real and getting harder to detect. Here's how to actually check for it — from MDM profiles to LaunchDaemons to Pegasus-level threats.

9 min read
Guides

How to Find Hidden Apps on Mac That You Didn't Install

Your Mac probably has apps you never installed — buried in system folders, running as background agents, or invisible to Finder. Here's how to find every one of them.

10 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Guides

How to Protect Your Mac: 12 Steps That Actually Matter in 2026

A practical, no-fluff guide to securing your Mac in 2026. Real terminal commands, real System Settings paths, and honest advice about what's worth your time.

14 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Research

2026 Mac Security Report [Real Scan Data]

Data from real Mac security scans reveals what XProtect catches and what slips through. Full threat breakdown with tool-by-tool comparison included.

12 min read
Product Updates

CoreLock v0.8.0: The Mac Security and Optimization Tool Your Computer Has Been Missing

v0.8.0 brings one-click remediation, process management, auto-updates, and smarter threat detection. Here's everything new and why it matters for your Mac's security.

10 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Guides

How to Remove Malware From Your Mac [2026]

Skip the generic advice. This step-by-step guide covers manual removal, safe mode scanning, and verifying your Mac is fully clean afterward.

9 min read
Security Tips

9 Mac Security Settings to Change Now [2026]

These 9 macOS settings take 5 minutes to change and close the biggest security gaps Apple leaves open by default. Step-by-step guide included.

7 min read
Privacy

Is Your Mac Sending Data Without Permission?

I monitored every outbound connection on a stock MacBook for 24 hours. See exactly what data macOS sends home, where it goes, and how to block it.

8 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Opinion

Do Macs Need Antivirus in 2026? Here's the Truth

macOS has built-in security, but it misses 4 critical threat categories. See what XProtect and Gatekeeper actually block — and the gaps that leave your Mac exposed.

8 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Reviews

Best Free Mac Security Tools in 2026 [Tested]

I tested every free Mac security tool available. These are the only ones worth installing — no adware, no bloat, no hidden costs. Ranked by actual protection.

10 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Security Tips

5 Signs Your Mac Has Been Compromised

Unusual CPU spikes, unknown login items, and 3 other warning signs your Mac may be compromised. Includes a step-by-step fix for each one.

6 min read
CoreLock

Deep File Scan

12,847 files scanned in 1m 34s

12,847

Files Scanned

2

Threats Found

1:34

Duration

suspicious_binary.dmgMalware

Known malicious hash detected (YARA match)

~/Downloads/suspicious_binary.dmg

startup_helper.plistSuspicious

Unsigned startup item with network access

~/Library/LaunchAgents/startup_helper.plist

12,845 files cleanNo issues detected
Security Tips

Why Your Antivirus Isn't Enough in 2026

Traditional antivirus software was designed for a different era. Here's why it can't keep up with modern threats and what actually works.

7 min read
CoreLock

Privacy Audit

4 permission categories scanned

1 suspicious

Camera

4 apps

Zoom
FaceTime
Slack
Unknown AppSUSPICIOUS

Microphone

2 apps

Zoom
Discord

Screen Recording

1 app

Loom

Full Disk Access

3 apps

Terminal
VS Code
CoreLock
Privacy Guides

23 Apps on Your Mac Probably Have Camera Access Right Now

Most Mac users have no idea how many apps can access their camera. Here's how to check, why it matters, and what to do about it.

6 min read
CoreLock

Dashboard

Last scanned: 2 min ago

87Healthy

Health Score

CRITICALSecurity

Unsigned app running from ~/Downloads

Unknown binary without code signature detected

WARNINGPerformance

High CPU usage: node (47%)

Network secureNo suspicious connections
Product Updates

What Happens When You Run a Security Scan on a Brand New Mac

You just unboxed a new Mac. It's completely clean, right? We ran a security scan on a fresh install and the results were eye-opening.

5 min read
CoreLock

App Trust

23 apps scanned — 18 trusted, 4 signed, 1 unsigned

18

Verified

4

Signed

1

Unsigned

0

Invalid

SafariVerifiedNotarized

Apple Inc.

VS CodeSignedNotarized

Microsoft Corp.

ZoomVerifiedNotarized

Zoom Video Comm.

sketch_toolUnsigned

Unknown

Security Tips

Mac vs Windows Security 2026: Full Comparison

Side-by-side breakdown of macOS vs Windows security features, malware rates, and built-in protections. Includes data from 2026 threat reports.

7 min read
CoreLock

Network

Active connections monitor

23 Active
1 Suspicious

Download

85.4

Mbps

Upload

12.3

Mbps

Latency

14

ms

AppHostPortStatus
Chrome
google.com443ESTABLISHED
Slack
slack.com443ESTABLISHED
unknwn
45.33.32.1568080ESTABLISHED
Spotify
spotify.com443ESTABLISHED
Security Tips

Hidden Mac Processes: Safe vs Suspicious List

Your Mac runs 400+ background processes right now. Use this guide to identify each one and spot suspicious activity before it causes damage.

7 min read
CoreLock

Performance

System resource monitor

Healthy
CPU34%
Memory67%
Disk52%
Battery81%

Top Processes

Chrome

18% CPU

1.2 GB

VS Code

12% CPU

890 MB

Slack

4% CPU

340 MB

Tip: Chrome is using 18% CPU with 47 tabs open. Closing unused tabs could free 600 MB.

Product Updates

Is CleanMyMac Worth It? [Honest 2026 Review]

Independent security analysis of CleanMyMac X — what it actually does, what it misses, and whether the $35/year price is justified for Mac protection.

7 min read
CoreLock

Privacy Audit

4 permission categories scanned

1 suspicious

Camera

4 apps

Zoom
FaceTime
Slack
Unknown AppSUSPICIOUS

Microphone

2 apps

Zoom
Discord

Screen Recording

1 app

Loom

Full Disk Access

3 apps

Terminal
VS Code
CoreLock
Privacy Guides

Is Your Mac Recording You? How to Check Now

Step-by-step guide to find every app with camera, microphone, and screen recording access on your Mac. Takes 2 minutes to check.

6 min read

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