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Security How Tos for macOS and iOS

SEE SECURITY STORIES BY CATEGORY

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More
    How to avoid password-prompted phishing scams in iOS
    Mac 911

    How to avoid password-prompted phishing scams in iOS

    An open-source development project founder shows proofs of concept of how malicious parties can make you think theyu2019re Apple.
    By Glenn Fleishman 8 years ago
    What to do when ransomware strikes your Mac
    Mac 911

    What to do when ransomware strikes your Mac

    Scammers are using purloined iCloud credentials to lock Macs with a message demanding payment.
    By Glenn Fleishman 8 years ago
    Warning: ‘Your Apple ID is due to expire today’ is a phishing scam
    How-To

    Warning: ‘Your Apple ID is due to expire today’ is a phishing scam

    Have you ever received the 'Your Apple ID has expired' text? Don't be fooled by this phishing attempt to steal your personal data
    By Christopher Minasians 8 years ago
    How to unlock an iOS device when you’ve forgotten your password or changed your account
    Mac 911

    How to unlock an iOS device when you’ve forgotten your password or changed your account

    A reader is confronted with Activation Lock.
    By Glenn Fleishman 8 years ago
    Why Apple shows a strange location for a two-factor login confirmation
    Mac 911

    Why Apple shows a strange location for a two-factor login confirmation

    When you get a login alert using Apple's 2FA, sometimes the location shown is nowhere near you.
    By Glenn Fleishman 8 years ago
    Apple’s two-step verification goes away with iOS 11 and macOS High Sierra
    Updated

    Apple’s two-step verification goes away with iOS 11 and macOS High Sierra

    Two-step is now going away, replaced by two-factor authentication. And you don't have to do anything about it except pay attention.
    By Glenn Fleishman 8 years ago
    How to stop spam emails from reaching your inbox
    Mac 911

    How to stop spam emails from reaching your inbox

    Spam emails can be controlled if you follow these tips. You'll soon have an inbox with the clutter under control.
    By Glenn Fleishman 8 years ago
    Can ransomware hijack Mac backups? Yes, but…
    Mac 911

    Can ransomware hijack Mac backups? Yes, but…

    There are ways to protect your backups from rare ransomware attacks.
    By Glenn Fleishman 8 years ago
    Why continuous backups on your Mac are a good idea
    Mac 911

    Why continuous backups on your Mac are a good idea

    A reader would like to backup files only manually due to performance
    By Glenn Fleishman 8 years ago
    How to use two-factor authentication for your Apple account without using an Apple device
    Mac 911

    How to use two-factor authentication for your Apple account without using an Apple device

    You need a Mac to set up 2FA, but after that, you shouldn't need an Apple device anymore.
    By Glenn Fleishman 8 years ago
    Mac 911

    How to update to two-factor authentication for an iTunes-only Apple ID

    Apple caused a quandary with its improved security method for those of us who use it only for purchases.
    By Glenn Fleishman 8 years ago
    How to protect your privacy online on Mac
    How-To

    How to protect your privacy online on Mac

    We offer simple but comprehensive advice on protecting your privacy online when using a Mac
    By Kenny Hemphill 8 years ago
    Private i

    How to use HTTPS to improve web security

    Web security is often seen as something that only large companies can have an impact on. You can help, too.
    By Glenn Fleishman 8 years ago
    Can Windows be used with Apple’s two-factor authentication?
    Mac 911

    Can Windows be used with Apple’s two-factor authentication?

    No. But you can use phone numbers.
    By Glenn Fleishman 9 years ago
    Mac 911

    Want to recover a FileVault-encrypted drive without a recovery key? You’re out of luck

    One of the downsides of protecting your data from others is how easy it is to lose it all.
    By Glenn Fleishman 9 years ago
    How to fix a persistent iCloud approval request on your iPhone
    Mac 911

    How to fix a persistent iCloud approval request on your iPhone

    What to do when Apple keeps pestering you with a request for a security approval and there doesn't seem to be a way to grant it or deny it.
    By Glenn Fleishman 9 years ago
    Mac 911

    What you can do if you forget your password on a FileVault-protected Mac

    You can recover a lost FileVault password or erase a FileVault drive, losing everything but regaining the ability to use the system.
    By Glenn Fleishman 9 years ago
    Mac 911

    How to encrypt a bootable clone in macOS

    A reader wants to protect the bootable clone he makes of his startup volume just as effectively.
    By Glenn Fleishman 9 years ago
    Protect Apple ID: two-factor authentication vs two-step verification
    How-To

    Protect Apple ID: two-factor authentication vs two-step verification

    Two-factor authentication or two-step verification? Here's all you need to know about beefing up your Apple ID security
    By Lewis Painter 9 years ago
    How to recover an iCloud security code after you’ve been locked out
    Tip

    How to recover an iCloud security code after you’ve been locked out

    If you enter the wrong iCloud security code too many times, you'll get locked out. Hereu2019s how to reset it.
    By Michael Connell 9 years ago
    Mac 911

    iCloud Keychain syncs accounts between macOS and iOS, but Firefox?

    A reader wisely changed his Yahoo password on his Mac weeks ago, but wondered why it updated on his iOS devices, too.
    By Glenn Fleishman 9 years ago
    How to stop iMessage spam | Block & report iMessage spam
    How-To

    How to stop iMessage spam | Block & report iMessage spam

    Spam iMessage texts are a growing problem for iPhone and iPad users. Here's how to block and report unwanted messages
    By Lucy Hattersley 9 years ago
    How to stop photo hacks on iPhone
    How-To

    How to stop photo hacks on iPhone

    Worried about iPhone photo hacks and iCloud photo leaks? Here's how to lock down your iPhone from celebrity-style leaks and keep your pictures safe and secure
    By Lucy Hattersley 9 years ago
    Private i

    Standards agency recommends smart password policies, for security and your own sanity

    You know how annoying those password dialogs are that tell you your password stinks? The government agrees.
    By Glenn Fleishman 9 years ago
    Mac 911

    How to fix two-factor authentication problems with apps that don’t use iCloud

    If youu2019re new to 2FA, remember you can still use non-Apple services for contacts and calendars, and for email.
    By Glenn Fleishman 9 years ago
    If you upgrade to two-factor authentication, you can’t log in to your Mac with an iCloud password
    Mac 911

    If you upgrade to two-factor authentication, you can’t log in to your Mac with an iCloud password

    Apple slipped in a change in April 2016 thatu2019s affecting people who change the protection on their Apple ID accounts.
    By Glenn Fleishman 9 years ago
    Travelers: Keep your data secure by using a virtual private network
    Have Gear, Will Travel

    Travelers: Keep your data secure by using a virtual private network

    After using my favorite VPN, you wonu2019t be able to bear living without it.
    By Séamus Bellamy 9 years ago
    How to set up macOS Server’s VPN service
    Working Mac

    How to set up macOS Server’s VPN service

    If you have Appleu2019s Server app, you have access to an excellent VPN server thatu2019s simple to set up and easy to use.
    By Jeffery Battersby 9 years ago
    How far back Time Machine archives can migrate to new versions
    Mac 911

    How far back Time Machine archives can migrate to new versions

    A reader wants to know whether a Snow Leopard Time Machine backup can migrate to a new OS X installation.
    By Glenn Fleishman 9 years ago
    Tune up your two-step Recovery Key
    Mac 911

    Tune up your two-step Recovery Key

    An acquaintance recently lost access permanently to his Apple ID, but you can take action to prevent that.
    By Glenn Fleishman 9 years ago
    How to fix FaceTime audio bug
    How-To

    How to fix FaceTime audio bug

    A FaceTime bug allows audio to be monitored after FaceTime calls are ‘ended’. Here's what to do.
    By Christopher Minasians 9 years ago
    Mac 911

    How to erase a Mac that seems to lack erasure options

    A reader wants to wipe her Mac before getting rid of it, but she doesn't see a clear way to do so.
    By Glenn Fleishman 9 years ago
    How to turn off Rootless (SIP, or System Integrity Protection) in OS X
    How-To

    How to turn off Rootless (SIP, or System Integrity Protection) in OS X

    System Integrity Protection (rootless) is a Mac security feature that stops you changing root-level files, and it can stop some programs working. Here's how to disable it
    By Lucy Hattersley 9 years ago
    How to authorise your computer in iTunes
    How-To

    How to authorise your computer in iTunes

    To play your iTunes Store purchases, you may need to authorise your Mac or PC first
    By Craig Grannell 10 years ago
    Mac 911

    Should two-factor authentication let me verify via a single device?

    A reader wonders if something's wrong, because Apple's second-factor system lets him approve a connection from a seemingly odd place.
    By Glenn Fleishman 10 years ago
    Private i

    Lock down your Mac, iPhone, and online accounts if you expect trouble ahead

    You can take steps ahead of time to protect your social media, banking, email, and other accounts if you fear intrusion or retribution.
    By Glenn Fleishman 10 years ago
    Private i

    Tune up (or tear down) your social networks’ app permissions

    Pop quiz: Do you know to how many apps and websites you've given permission to use your Twitter, Facebook, Google+, and others? Time to check.
    By Glenn Fleishman 10 years ago
    How to avoid the 1970 iPhone bug, and what to do if you get it
    How-To

    How to avoid the 1970 iPhone bug, and what to do if you get it

    A date bug is bricking iPhones and iPads – here's how to avoid the dreaded 1970 iPhone bug (and what to do if you get it anyway)
    By David Price 10 years ago
    How-To

    Use Timed Access Control to restrict when devices can connect to your Apple base station Wi-Fi

    Your AirPort Extreme and Time Capsule can block certain devices at certain times of day, based on the device's MAC address. Here's how to set it up.
    By Glenn Fleishman 10 years ago
    Mac 911

    How to migrate browser-stored passwords to a password app

    Having heard a lot about transitioning to a password-storing app, a reader wonders about the ease of shifting already-set passwords.
    By Glenn Fleishman 10 years ago
    How to remove dodgy Mac antivirus software
    How-To

    How to remove dodgy Mac antivirus software

    OS X antivirus software isn't as easy to remove as other programs. Here's how to remove antivirus from your Mac
    By Lucy Hattersley 10 years ago
    Tip

    How to uninstall Flash Player from your Mac

    It seems we hear about new Flash exploits every week. To really stay protected, consider ditching Flash altogether.
    By Susie Ochs 10 years ago
    How-To

    How to modify System Integrity Protection in El Capitan

    Some software you may know and lean on won't work in El Capitan due to a new security feature that locks down system files and directories. Here's how to modify that.
    By Glenn Fleishman 10 years ago
    Private i

    Take secure steps in upgrading to iOS 9

    Here's what you need to know about security when you're updating your iPhone and iPad.
    By Glenn Fleishman 10 years ago
    iOS Basics

    How to track down a lost iPhone

    Weu2019ll step you through setting up and using Find My iPhone, and what to do if your phone ever does go missing. Prepare for this tech nightmare now before it happens to you.
    By Nick Mediati 10 years ago
    Working Mac

    How to use a VPN to keep your network data safe

    If you're using a public wi-Fi hotspot, it's a good idea to protect yourself by using a virtual private network.
    By Jeffery Battersby 10 years ago
    Working Mac

    Little Snitch keeps an eye on your Mac’s Internet connections

    Firewalls are good for blocking inbound network traffic, but what about your Mac's outbound traffic? Little Snitch keeps an eye out for you.
    By Jeffery Battersby 10 years ago
    Mac 911: A potpourri of OS X questions
    Mac 911

    Mac 911: A potpourri of OS X questions

    This week, we answer questions about bookmark sync failure, managing Top Sites in Safari, dysfunction keys, and ransomware.
    By Glenn Fleishman 10 years ago
    Working Mac

    Fire up your Mac’s firewall

    OS X has a built-in firewall. Here's how to use it.
    By Jeffery Battersby 10 years ago
    Working Mac

    Spam filtering on the cheap for your domain’s email

    Unwanted emails clogging your inbox? There are lots of web-based spam filters to help.
    By Jeffery Battersby 10 years ago
    Previous 1 2 3 4 5 6 7 Next
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