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Artificial intelligence platforms may be just as susceptible to social engineering as human beings, but they are proving remarkably good at finding security vulnerabilities in human-made computer code. That reality is on full display this month with some of the more widely-used software makers — including Apple, Google, Microsoft, Mozilla and Oracle — fixing near record volumes of security bugs, and/or quickening the tempo of their patch releases.
As it does on the second Tuesday of every month, Microsoft today released software updates to address at least 118 security vulnerabilities in its various Windows operating systems and other products. Remarkably, this is the first Patch Tuesday in nearly two years that Microsoft is not shipping any fixes to deal with emergency zero-day flaws that are already being exploited. Nor have any of the flaws fixed today been previously disclosed (potentially giving attackers a heads up in how to exploit the weakness).
Sixteen of the vulnerabilities earned Microsoft’s most-dire “critical” label, meaning malware or miscreants could abuse these bugs to seize remote control over a vulnerable Windows device with little or no help from the user. Rapid7 has done much of the heavy lifting in identifying some of the more concerning critical weaknesses this month, including:
May’s Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws. Microsoft was among a few dozen tech giants given access to a “Project Glasswing,” a much-hyped AI capability developed by Anthropic that appears quite effective at unearthing security vulnerabilities in code.
Apple, another early participant in Project Glasswing, typically fixes an average of 20 vulnerabilities each time it ships a security update for iOS devices, said Chris Goettl, vice president of product management at Ivanti. On May 11, Apple shipped updates to address at least 52 vulnerabilities and backported the changes all the way to iPhone 6s and iOS 15.
Last month, Mozilla released Firefox 150, which resolved a whopping 271 vulnerabilities that were reportedly discovered during the Glasswing evaluation.
“Since Firefox 150.0.0 released, they have been on a more aggressive weekly cadence for security updates including the release of Firefox 150.0.3 on May Patch Tuesday resolving between three to five CVEs in each release,” Goettl said.
The software giant Oracle likewise recently increased its patch pace in response to their work with Glasswing. In its most recent quarterly patch update, Oracle addressed at least 450 flaws, including more than 300 fixes for remotely exploitable, unauthenticated flaws. But at the end of April, Oracle announced it was switching to a monthly update cycle for critical security issues.
On May 8, Google started rolling out updates to its Chrome browser that fixed an astonishing 127 security flaws (up from just 30 the previous month). Chrome automagically downloads available security updates, but installing them requires fully restarting the browser.
If you encounter any weirdness applying the updates from Microsoft or any other vendor mentioned here, feel free to sound off in the comments below. Meantime, if you haven’t backed up your data and/or drive lately, doing that before updating is generally sound advice. For a more granular look at the Microsoft updates released today, checkout this inventory by the SANS Internet Storm Center.
Mac users often say, “I don’t have to worry about viruses. I have a Mac!” But that sense of safety is outdated. Macs face real threats today, including scareware and fake antivirus pop‑ups designed specifically for macOS. One of the most infamous examples is the Mac Defender family, which appeared around 2011 under names like “Mac Defender,” “Mac Security,” and “Mac Protector,” luring users with fake security alerts and then installing malicious software.
These scams have long targeted Windows PCs and later expanded to Macs, using similar tactics: bogus scan results, alarming pop-ups, and fake security sites that push users to download “protection” software or pay to remove nonexistent threats. Once installed, these programs can bombard you with persistent warnings, redirect you to unwanted or explicit sites, and may even try to capture your credit card details or other sensitive information under the guise of an urgent upgrade.
In this blog, we’ll take a closer look at how you become a target for these fake antivirus pop‑up ads, how to remove them from your Mac, and practical steps you can take to block them going forward.
Fake antivirus software is malicious software that tricks you into believing your Mac is infected with viruses or security threats when, in fact, it isn’t. These deceptive programs, also known as rogue antivirus or scareware, masquerade as legitimate security tools to manipulate you into taking actions that benefit cybercriminals.
On your Mac, fake antivirus pop-up ads typically appear as urgent browser warnings or system alerts claiming to have detected multiple threats on your computer. These fraudulent notifications often use official-looking logos, technical language, and alarming messages like “Your Mac is infected with 5 viruses” or “Immediate action required” to create a sense of urgency and panic.
These scams manipulate you by:
Fake antivirus popups are almost always the result of a sneaky delivery method designed to catch you off guard. Scammers rely on ads, compromised websites, misleading downloads, and social engineering tricks to get their scareware onto your Mac without you realizing what’s happening. Let’s take a look at the common ways these scams spread so you can avoid them.
Fake virus alerts use a mix of visual tricks and psychological pressure to push you into clicking, calling, or paying before you have time to think. This section breaks down the common elements scammers use in these alerts so you can recognize a fake warning instantly and ignore it.
If you’re not sure whether an antivirus warning is real or just scareware, a quick verification is the safest next step. There are steps you can take and settings on your macOS you can check without putting your Mac at further risk.
The moment a fake virus warning pops up, scammers are hoping you’ll react fast, click a button, call a number, or download their “fix.” However, the safest approach is the opposite: take a moment to think, don’t interact with the alert, close the browser, and clear any files it may have tried to leave behind. Here’s exactly what to do right away to stay safe.
Your Mac experience should be enjoyable and secure. With the right awareness and tools, it absolutely can be, especially when you know what to look for and follow the right practices. By recognizing the warning signs of fake antivirus pop-ups, downloading software only from trusted sources, keeping your macOS and applications updated, and following the prevention tips outlined above, you can avoid falling victim to these fake antivirus scams.
Remember that legitimate security alerts from Apple come through System Preferences and official macOS notifications, not through alarming browser pop-ups demanding immediate payment or phone calls. Use reputable security tools from a trusted vendor, such as McAfee, that provides real-time protection and regular updates about emerging threats.
Share these tips with your family and friends, especially those who might be less tech-savvy and more vulnerable to these deceptive tactics. The more people understand how fake antivirus schemes operate, the safer our entire digital community is.
The post Stop Fake Antivirus Popups on Your Mac appeared first on McAfee Blog.
While Apple goes to great lengths to keep all its devices safe, this doesn’t mean your Mac is immune to all computer viruses. What does Apple provide in terms of antivirus protection? In this article, we will discuss some signs that your Mac may be infected with a virus or malware, the built-in protections that Apple provides, and how you can protect your computer and yourself from threats beyond viruses.
A computer virus is a piece of code that inserts itself into an application or operating system and spreads when that program is run. While viruses exist, most modern threats to macOS come in the form of other malicious software, also known as malware. While technically different from viruses, malware impacts your Mac computers similarly: it compromises your device, data, and privacy.
While Apple’s macOS has robust security features, it’s not impenetrable. Cybercriminals can compromise a Mac through several methods that bypass traditional virus signatures. Common attack vectors include software vulnerabilities, phishing attacks that steal passwords, drive-by downloads from compromised websites, malicious browser extensions that seem harmless, or remote access Trojans disguised as legitimate software.
Understanding the common types of viruses and malware that target macOS can help you better protect your device and data. Here’s a closer look at the most prevalent forms of malware that Mac users should watch out for.
Whether hackers physically sneak it onto your device or by tricking you into installing it via a phony app, a sketchy website, or a phishing attack, viruses and malware can create problems for you in a couple of ways:
Is your device operating slower, are web pages and apps harder to load, or does your battery never seem to keep a charge? These are all signs that you could have a virus or malware running in the background, zapping your device’s resources.
Malware or mining apps running in the background can burn extra computing power and data, causing your computer to operate at a high temperature or overheat.
If you find unfamiliar apps you didn’t download, along with messages and emails that you didn’t send, that’s a red flag. A hacker may have hijacked your computer to send messages or to spread malware to your contacts. Similarly, if you see spikes in your data usage, that could be a sign of a hack as well.
Malware can also be behind spammy pop-ups, unauthorized changes to your home screen, or bookmarks to suspicious websites. In fact, if you see any configuration changes you didn’t personally make, this is another big clue that your computer has been hacked.
Your browser’s homepage or default search engine changes without your permission, and searches are redirected to unfamiliar sites. Check your browser’s settings and extensions for anything you don’t recognize.
Your antivirus software or macOS firewall is disabled without your action. Some viruses or malware are capable of turning off your security software to allow them to perform their criminal activities.
Fortunately, there are easy-to-use tools and key steps to help you validate for viruses and malware so you can take action before any real damage is done.
Macs contain several built-in features that help protect them from viruses:
There are a couple of reasons why Mac users may want to consider additional protection on top of the built-in antivirus safeguards:
Macs are like any other connected device. They’re also susceptible to the wider world of threats and vulnerabilities on the internet. For this reason, Mac users should think about bolstering their defenses further with online protection software.
If you suspect your Mac has been infected with a virus or other malware, acting quickly is essential to protect your personal data and stop the threat from spreading. Fortunately, this can be effectively done with a combination of manual steps and trusted security software:
In the most extreme cases, erasing your hard drive and reinstalling a fresh copy of macOS is a very effective way to eliminate viruses and malware. This process wipes out all data, including the malicious software. This, however, is considered the last resort for deep-rooted infections that are difficult to remove manually.
As cyber threats grow more sophisticated, taking proactive steps now can protect your device, your data, and your identity in the long run. Here are simple but powerful ways to future-proof your Mac, and help ensure your device stays protected against tomorrow’s threats before they reach you:
Staying safe online isn’t just about having the right software—it’s about making smart choices every day. Adopting strong digital habits can drastically reduce your risk of falling victim to viruses, scams, or data breaches.
An important part of a McAfee’s Protection Score involves protecting your identity and privacy beyond the antivirus solution. While online threats have evolved, McAfee has elevated its online protection software to thwart hackers, scammers, and cyberthieves who aim to steal your personal info, online banking accounts, financial info, and even your social media accounts to commit identity theft and fraud in your name. As you go about your day online, online protection suites help you do it more privately and safely. Comprehensive security solutions like McAfee+ include:
Yes. While Safari has built-in security features, you can still get a Mac virus by visiting a compromised website that initiates a drive-by download or by being tricked into downloading and running a malicious file.
Not necessarily. Many websites use aggressive pop-up advertising. However, if you see persistent pop-ups that are difficult to close, or fake virus warnings, it’s a strong sign of an adware infection.
Yes. While some consider it less harmful than a trojan, adware is a form of malware. It compromises your browsing experience, tracks your activity, slows down your computer, and can serve as a gateway for more dangerous infections.
If you have a security suite with real-time protection, your Mac is continuously monitored. It is still good practice to run a full system scan at least once a week for peace of mind.
Direct infection via a cable is extremely unlikely due to the security architecture of both operating systems. The greater risk comes from shared accounts. A malicious link or file opened on one device and synced via iCloud, or a compromised Apple ID, could affect your other devices.
Current trends show a rise in sophisticated adware and PUPs that are often bundled with legitimate-looking software. Cybercriminals are also focusing on malicious browser extensions that steal data and credentials, injecting malicious code into legitimate software updates, or devising clever ways to bypass Apple’s notarization process. Given these developments, Macs can and do get viruses and are subject to threats just like any other computer. While Apple provides a strong security foundation, their operating systems may not offer the full breadth of protection you need, particularly against online identity theft and the latest malware threats. Combining an updated system, smart online habits, and a comprehensive protection solution helps you stay well ahead of emerging threats. Regularly reviewing your Mac’s security posture and following the tips outlined here will also enable you to use your device with confidence and peace of mind.
The post Can Apple Macs get Viruses? appeared first on McAfee Blog.