It all began with a bug in macOS that was presented by security researcher Csaba Fitzl at the Objective by the Sea conference in Spain (and that had been submitted to Apple by him many months earlier). This leaves the software in an unfortunate state where it cannot function, and the user (seemingly) cannot give it the access it needs. Worse, you cannot simply "turn it off and back on again," as the switch for turning off FDA for the security software refuses to turn off. Unfortunately, in Ventura, affected software will appear to have FDA within this settings pane, but in reality it does not. This is something third-party software cannot control, and can only guide the user through the process of granting this access. To grant FDA, the user must open System Preferences (renamed to System Settings in Ventura), go to the Security & Privacy panel, and grant the software in question access within the Full Disk Access list. This is because security software generally needs to be able to access all files on disk, and Full Disk Access (FDA) is the permission that allows that. In the case of security software using Apple's Endpoint Security framework, it is an Apple-enforced requirement that the software get a higher level of permission from TCC - namely, Full Disk Access. When an app attempts to access a file in the Documents folder, macOS will show an alert like this: As an example, your Documents folder is one that could easily contain sensitive information, so on modern versions of macOS, apps must be given permission by the user in order to access files there. Transparency, Consent, and Control, aka TCC, is a technology in macOS that prevents apps from accessing data that may be sensitive without explicit user consent. Specifically, it seemed to be a bug in Transparency, Consent, and Control (TCC). As we collectively dug into the problem, it quickly became apparent that the bug had to be in macOS. In no time, I had reports back from multiple people, all reporting exactly the same problems with their own products. Some aspects of the problem were starting to seem like macOS bugs, though, so I reached out to friends at other companies. We realized that the problem was far worse, and more widespread, than we'd initially thought. Then reports started coming in from people using older versions of our software. ![]() Initially, we thought this was a flaw in our Malwarebytes 4.17 beta for Mac, which we had released the same day. Malwarebytes software reported that it needed Full Disk Access - a special permission users can grant to programs that need it-yet reports said that Full Disk Access was already turned on. ![]() Not long after, we began to receive reports from customers seeing that their real-time protection had turned off, and they were unable to turn it back on again. If you have any previous version, when ClamXav was free, you can still use it (for its database will be updated anyway), but if you’re in the market for an antivirus for your Mac, you’d better keep searching.On Monday, October 24, Apple released macOS Ventura, a major new update to the Macintosh operating system. Although it’s a classy move from its developer, we don’t think a typical user can take advantage of this feature. The software doesn’t offer any firewall feature either.Ī nice touch is that you can use whatever antivirus engine you like, you just have to tell ClamXav to use it. Furthermore, there’s no obvious method to eliminate any threat: ClamXav trusts you to use the contextual menu. Unfortunately, the antivirus and Sentry don’t talk one another, so if Sentry catches up any unusual activity from a file on your HD, you have to launch a full scan before you can point out the malicious file, which is disheartening. Until a few months ago you could download it for free, but now you have to buy it from the developer’ site.ĬlamXav has two main features: a thorough scan of your hard disk, and a real-time warden called CalmXav Sentry. You could think that ClamXav sports a clean interface, but unfortunately there’s not much more to see.ĬlamXav is a graphic user interface for OS X based on Clam, a popular and powerful open-source and cross-platform antivirus.
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