Sierra and the Women’s Sierra are trendy romper and dress patterns with lots of options! The Sierra bodice features a flattering v-neck in the front and back, optional side cut-outs or open back, and either tank style or flutter sleeves. Hem lines include romper inseam, a peplum top, mini dress, maxi dress, or a dramatic high-low maxi dress.
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Check compatibility
You can upgrade to macOS Sierra from OS X Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.
MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later
- Nov 29, 2017 APPLE Mac owners warned as serious macOS High Sierra root bug is discovered. A fix is now available and here’s how to protect your iMac and MacBook right now.
- The hack seems to be affecting only macOS High Sierra 10.13 and 10.13.1 versions. Luckily, a little settings tweak can bolster your security and alleviate the issue until Apple fixes it properly.
- A new security feature introduced in macOS High Sierra 10.13, User-Approved Kernel Extension Loading, requires that new Kernel Extensions (KEXTs) are approved for loading by the user.
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS Sierra, the installer will let you know.
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Make a backup
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Get connected
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download macOS Sierra
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
If you still need macOS Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac.
Install the macOS installer
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallOS.pkg.
Follow the onscreen instructions, which will guide you through the steps necessary to install.
Begin installation
After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install macOS Sierra.
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Allow installation to complete
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
Learn more
- If you have hardware or software that isn't compatible with macOS Sierra, you might be able to install the previous version, OS X El Capitan.
- macOS Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.
Cyber hacking comes in many forms and degrees. It is both dangerous and costly. Getting hacked can cause humongous problems to an individual, an organization, or even a country because it disrupts life and inflicts a lot of damage. Just recently and you’ve probably heard of it, there was a massive Equifax breach September of last year. It exposed 45.5 million worth of personal and sensitive data. It is considered to be the worst corporate data breach to date. Yahoo also revealed last year that three billion of Yahoo accounts have been compromised due to a security breach.
What Is Cyber Security?
Cyber Security, as defined by the IT Government in the UK, is a security measure that is comprised of technologies, processes, and controls that are designed to protect systems, networks, and data from cyber attacks. A very efficient cybersecurity lowers cyber attacks resulting to a reduction in system, network, individual, and organization exploitations. It is the only working solution to defend against cyber hacking.
So now you wonder, given that you do not have the fund to get top-dollar security for your Mac, how do you protect your unit against cyber attack vulnerabilities? Civilization 6 mac hacker. No worries because Apple is a top quality brand that makes security a top priority. As a matter of fact, your Mac has a built-in detection feature that guards against common malware usually found in downloaded files. It is updated regularly, but as a secondary protection, it always better to know how to defend your Mac laptop from malicious activities.
Top 10 Mac Solutions to Protect Your Computer Against Hacking
1. Use Safari. Every Apple device comes with a pre-loaded Internet browser in the form of Safari. Whether it’s a Mac, an iPhone, or an iPad, you can use Safari to browse the web, watch videos, or access your social media. It is fast, efficient, and is regularly updated. Safari has several cool features that ensure safe web browsing. One of these features is the cross-site tracking that prevents companies from tracking the user’s online browsing habits. Companies use this browsing information to know which ads to serve you. Another cool feature is the Password Generator, which allows you to create a strong password without having to install a third-party app.
2. Keep Your Systems Updated. Regularly updating your system is very important.
If your computer is connected to the Internet:
- Open the Software Update window under System Preferences.
- Make sure that Check for Updates is enabled.
- Set the frequency to the most frequent setting.
If your computer is not connected to the Internet:
- Retrieve updates from www.apple.com/support/downloads.
- Verify that the SHA-1 of your downloaded file matches the latest published online.
3. Disable Automatic Login. You don’t want people to easily access your computer if it is left unattended, lost, or stolen. The easiest way to protect your data is to disable Automatic Login. Disabling the feature will prevent unauthorized personnel to access your files and data. You can do this by following these steps:
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Open System Preferences > Accounts.
- Choose Login Options.
- Set Automatic Login to Off.
- Set “Display Login Window As” to Name and Password.
You can also disable guest login by doing the following steps:
- Open Guest Account and Sharing.
- Choose Guest Account.
- Uncheck Allow Guest to log in to this computer.
- Uncheck Allow guests to connect to shared folders.
4. Secure Your Folders. One of the easiest solutions is to prevent others from accessing your folders is to secure your users’ home folder permissions. To do this, you can run the following command for every home folder: sudo chmod go-rx /Users/username.
5. Take Advantage of iCloud Keychain. This feature has been around for many years and was primarily designed to create safe and strong passwords for Mac users, like you. Rest assured that your passwords, account details, and bank info are stored securely.
To enable iCloud Keychain on your Mac, follow these steps:
- Go to Apple Menu and choose System Preferences.
- Select iCloud and then click on Keychain.
- Follow the instructions to set up iCloud Keychain.
6. Disable Services Not Often Used or Not Needed. There are some services that are seldom used so as an added precaution it is better to turn them off. These services are found under /System/Library/LaunchDaemons.
- Bluetooth – com.apple.blued.plist
- iSight – com.apple.IIDCAssistant.plist
- NIS – com.apple.nis.ypbind.plist
- VPN – com.apple.racoon.plist
- ARD – com.apple.RemoteDesktop.PrivilegeProxy.plist
- ARD com.apple.RFBEventHelper.plist
- Notifications – com.apple.UserNotificationCenter.plist
- WebDAV – com.apple.webdavfs_load_kext.plist
- Email server – org.postfix.master
If you wish to switch off any of these services, just type the following command:
sudo launchctl unload -w System/Library/LaunchDaemons/(plist file name)
7. Use Firewalls. This is one of the most important antidotes to protect your Mac from hackers. Every Mac computer is equipped with two firewalls – the IPFW Packet-Filtering Firewall and the Application Firewall. The Application Firewall specifies which applications are permitted to receive incoming connections.
To configure you Application Firewall, do the following steps:
- Go to Apple menu and select System Preferences.
- From the System Preferences window, choose Security.
- Then click on the Firewall tab.
- You may need to unlock the Firewall tab if it is locked. To unlock, just click the small lock icon in the lower left corner and type in your Administrator Username and Password.
- Click Start to turn on your Mac’s Application Firewall. You’ll see a green light beside the Firewall Status that means that the firewall is running smoothly.
To further customize your Firewall, click on the Advanced button at the right side of the window. You can choose to check or uncheck these three options:
- Block All Incoming Connections – This will disable all other sharing services like File Sharing, Printer Sharing, and Screen Sharing. It will only allow basic Internet connection.
- Automatically allow signed software to receive incoming connections – This option automatically adds software from any valid authority to be added to the allowed list of software. You will no longer be prompted to authorize the addition of the software.
- Enable stealth mode – Keep this option checked because this will prevent your Mac from responding to ping requests or port scans.
8. Use a Router Instead of a Modem. Connecting to your router is safer compared to connecting directly to a broadband modem. When you connect to your router, it assigns an IP address that can only be reached within your home network. Your broadband modem, on the other hand, assigns your computer a public IP address that is vulnerable to random scanning.
9. Run Your Anti-Virus Software Regularly. Viruses and other malware evolve so fast that it is necessary to keep your anti-virus’ database updated regularly. Scheduling a weekly, a fortnight, or monthly scan will make sure that no malware is undetected. You can also use trusted 3rd party cleaning tools or software to regularly get rid of trash, unwanted files, and cache that clog up your computer system.
10. Be Cautious. Do not haphazardly click links from emails that came from unknown contacts. Do not install applications from untrusted sources. Always check for reviews and make sure you download software only from the vendor’s website. Do not access unfamiliar websites and check the URL on the address bar before typing in your password. It pays to be extra careful when you are online.