Tag Archive for: iMac

Can malware affect your Mac?

Malware creators will target anyone and everyone, including Mac users. So even though Apple computers are less vulnerable than Windows PCs, they are not completely impervious to cyberattacks. Read on to find out the different threats you should protect your Mac against, as well as signs that your computer has been compromised.

What are the threats that can affect your Mac?

There are several forms of malware that hit Apple products, and their effects can range from ones that are merely annoying to downright destructive.

  1. Adware – These are unwanted programs that bombard users with pop-up advertisements. Some malicious adware piggyback spyware like keyloggers and keyboard sniffers onto their deployment protocols, allowing them to record your typing habits and monitor your browsing behavior.
  2. Sniffers – These are usually designed to detect certain words on a web page and in a person’s typing pattern in order to trigger the keylogger. For instance, when you type your password, sniffers can activate the keylogger to copy the information you type and steal your login details.
  3. Trojan horses – These can infect both Macs and PCs, and they are often deployed through fake software installers or unsecured updates. They parade as legitimate software that actually contain a nasty surprise once installed. A notorious Trojan horse for Macs is the MacDownloader, which attempts to steal personal data stored in iCloud Keychain.
  4. Macro viruses – These attack computers by running a code that can take screenshots, format hard drives, corrupt files, deliver more malware, and access webcams and microphones. They are triggered when a user opens an infected macros-enabled file, hence the name.
  5. Ransomware – Macs managed to hold off ransomware for a while, but nowadays, even they can be vulnerable to it. KeRanger was one of the first big ransomware outbreaks in Macs. After remotely encrypting the computer and hibernating for three days, KeRanger would issue a .txt file containing instructions for decryption in return for one bitcoin.

Telltale signs your Mac is infected

Now that you know what kinds of malware your Mac could be affected with, here are some ways to tell if your computer is infected with one:

  1. Pop-up ads – If you’re seeing more pop-ups on your computer than usual, your computer is probably infected. An unusual amount of banner ads and pop-ups may mean that your computer is due for an update and/or a virus scan.
  2. Slowness – Mac users fear one thing above all: the spinning wheel of death. This little rainbow-colored spinning cursor wheel indicates that the computer is having trouble processing at usual speeds. This slowness can often be caused by overwhelming requests from simultaneous processes — likely of dubious origin — running in the background.
  3. Browser issues – Viruses sometimes do weird things to Safari or Google Chrome such as change its homepage or redirect a preset landing page to a site you’ve never seen before. If your browser starts behaving oddly, crashes regularly, or is often unresponsive, your Mac might have a virus.

Computer security is a matter of importance no matter what operating system you use. Reach out to our experts for an assessment of your network today.

If you are looking for an expert to help you find the best solutions for your business talk to GCInfotech about a free technology assessment

Published with consideration from TechAdvisory.org SOURCE

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Apple security threats
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Keep security threats out of your Mac

The hearsay that Macs cannot be infected by viruses or malware couldn’t be further from the truth. There are plenty of cyberthreats that pose risks to Macs, so if you’re a Mac user, you should prioritize your device’s security. The good news is that protecting your Mac is simple and easy. Just follow these steps.

Check your privacy settings

Make sure that your Mac settings are set up properly to keep your data safe. Manage the information your Mac makes available across the internet or on a network by going to Apple menu > System Preferences > Security & Privacy > Privacy. From there, you can choose which information to share and with whom. For example, you can specify which apps are allowed to see personal information, such as your location, contacts, photos, or music.

Take advantage of the firewall

A firewall protects your Mac from unwanted contact initiated by other computers on a network or the internet. It protects your computer by allowing only authorized services and apps to communicate with your Mac, so be sure to enable macOS’s built-in firewall.

To do so, just go to Apple menu > System Preferences > Security & Privacy > Privacy then, click Firewall. If the padlock icon at the bottom left is locked, click it and key in your username and password. Enable the firewall by clicking Turn On Firewall.

To modify Firewall settings, click on Firewall Options… just below the “Turn Off Firewall” button. You will find a list of services and apps that are allowed to receive inbound connections. If you want to add an app or service to the list, just click the “+” button below the list itself. However, we recommend keeping this list as short as possible, as the apps listed can be exploited by cybercriminals.

Another useful feature to enable is stealth mode. This option will make your Mac more difficult to find, thus keeping hackers and malware at bay. For instance, if you are in a coffee shop and connected to its unsecured Wi-Fi, enabling stealth mode will make your Mac invisible on that public network. To turn on this feature, just tick the box next to “Enable stealth mode” in Firewall Options. A dialog box will pop up, and you can click on the “Enable Stealth Mode” button.

Set up a firmware password

Every new Mac today has the FileVault encryption automatically enabled. This means that your device already encrypts the hard drive by default, and the only way your data can be accessed is by logging in. Keep in mind, though, that this feature won’t necessarily save your account in case someone reinstalls the operating system or uses a memory stick to boot the Mac and remove all data from your hard disk.

To increase protection, set up a firmware password. Do this by restarting your computer, then pressing and holding down Cmd+R before the Apple logo shows up on the screen. You can let go of the keys once the progress bar pops up.

When the utilities window appears, click on Utilities in the menu bar, then choose Startup Security Utility or Firmware Password Utility. Click on Turn On Firmware Password… and simply follow the succeeding instructions.

Finally, quit the utilities window, then choose Apple menu > Restart. Make sure to never forget or misplace your firmware password, because only Apple technicians can recover it.

Ensure that your confidential data remains private by performing minor tweaks on your Mac’s system settings. It takes only a few minutes to ensure lasting online protection. If setting up a firewall or firmware password sounds a little too advanced for you, or if you need to set up more advanced defenses, don’t hesitate to get in touch with our experts.

To learn more about how to safeguard your business, or if you are looking for an expert to help you find the best solutions for your business talk to GCInfotech about a free technology assessment.

Published with consideration from TechAdvisory.org SOURCE

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