Adware Doctor is an app for your Mac computer that helps remove malware and adware, and restores your browser. In other words, if your browser hangs or is slow, is hijacked and constantly redirects, is replete with popups bearing scams and advertisements, you need Adware Doctor. Seeing that there are a few good free antivirus software available in the market for free, why not install them and give yourself a peace of mind knowing that you are 100% protected instead of 99.9%. Based on the table above, it appears to me that ESET Cyber Security Pro is the best antivirus for macOSX, as for the best free antivirus app for mac, that will be Sophos Anti-Virus for Mac. Long story short, I'm a Windows/Linux guy who decided to give OS X a try by buying a new MacBook. I'm going to be using my laptop on a college public wireless network. What applications do I need to make sure I'm secure? Specifically, 1. Is the built-in firewall good enough, or is their a preferred free software firewall out there? What is the recommended free antivirus program? It looks like ClamXav is popular, and I know ClamAV is a popular choice on Linux. Are there any OS X antispyware programs out there? Is there a windows compatibility mode for macbook. Are there any services (sshd, vnc, etc.) that are on by default that I will need to turn off? Is there anything else I'm missing? (I am going to avoid making credit card purchases and online banking transactions just to be safe side, too.). John See this previous discussion To answer your questions in brief. The OSX firewall is good but not very configurable. Access it via the Sharing System Preference. Firewall Tab. Mostly you can turn certain ports/services on and off. There are alternative programs and ways of enhancing the OSX firewall but they cost or involve low level editing via Terminal. See the article above. I use the OSX firewall by default. The only FREE Antivirus I know is ClamAV for OSX. (again see the link above) 3. The intego Suite and a few others offer anti-spyware. Personally I don't use an anti-spyware client. Just cookie cleaner tools in Firefox and Safari 4. Most of the OSX services (vnc, ssh etc are disabled by default and switched on/off via the Sharing System Preference. To see all running processes use the Activity Monitor app in your Applications/Utilities folder. If you are on a college network. Then as long as you have disabled File Sharing, Windows Sharing etc. And enabled the Firewall in the System Preferences you should be pretty well defended. Eoinosullivan, Thank you very much. The links provided by the other question are very comprehensive - now I only wish I had enough time to tinker around with the scripts from the O'Reilly link. (Don't worry, I know what I'm doing. To some extent.) Also, thanks for your personal summary. It's always best to get advice from an experienced user than it is from whatever comes up on Google. After being an experienced user for so long on Windows and Linux, it's a weird feeling to learn another OS from scratch. But it has been an enjoyable experience so far. Spyware infections can easily be removed with the help of anti spyware software that is available on the internet for download.Some anti spyware applications have proven to be more effective than others and so one should read reviews before making a decision. When using anti spyware software you should also ensure that it is updated frequently with the latest signature updates as this will ensure that it is able to detect and remove any new spyware infections that pose a threat to your system. What Is Spyware? Spyware is a type of malware which is installed sneakily and maliciously onto a personal computer and collects lots of information at a time about users without their permission. The presence of spyware is typically hidden from the user, and can be difficult to detect. One of the ways that spyware enters the computer is when new programs are installed on your computer.
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