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News: What to Expect from Null Byte in 2015

Welcome back, my greenhorn hackers, and happy New Year! Now that your heads have recovered from your New Year's Eve regaling, I'd like to grab your attention for just a moment to preview 2015 here at Null Byte. I hope you will add your comments as to what you would like to see, and I'll try to honor as many requests as I can.

How To: Understanding Signature Schemes: How Data Sources Are Authenticated, Secured, & Spoofed

One of the biggest problems in data security is authentication of data and its source. How can Alice be certain that the executable in her inbox is from the venerable Bob, and not from the not-so-venerable Oscar? Clearly Alice wants to know because if this file is actually sent to her by Oscar, the file might not be a game, but a trojan that can do anything on her computer such as sift through her email and passwords, upload her honeymoon pictures, or even turn on microphones and webcams. Thi...

How To: Use Your iPhone's New 'Check In' Feature to Let Contacts Know When You Arrive Safely at Your Destination

Check In is a new safety feature built into the Messages app that can automatically notify a family member, friend, another contact, or a group the moment you arrive safely at a destination, giving them peace of mind in knowing you're all right. If you never reach your stopping place, it will also send them clues to help them figure out what went wrong.

How To: Share Account Passwords or Passkeys with People You Trust Easily from Your iPhone, iPad, or Mac

Previously, you'd have to use a third-party password manager on your iPhone, iPad, or Mac to securely share passwords with other people or groups outside of AirDrop range. And while apps like 1Password, Bitwarden, and Dashlane let you store passkeys, only 1Password has added support for passkey sharing so far. Now, Apple itself makes sharing passwords and passkeys much, much simpler.

How To: 10 Badass AI Features Coming to Your Google Apps, Some of Which You Can Use Right Now

For all intents and purposes, Google could have called its 2023 developer conference A/I instead of I/O. Capitalizing on the artificial intelligence hype, Google devoted most of its keynote address to AI research, experiments, and developments. But there's some substance behind the hype in the form of new features in the Google services you already use on Android, iOS, and desktop.

How To: Edit Your Sent iMessages to Fix Spelling Errors and Other Mistakes

Apple finally lets us fix sent iMessages, and I can honestly say it's a game-changer. Editing messages after sending them can prevent miscommunication and allow you to fix embarrassing mistakes before the other person notices them. It's one of the Messages app's coolest new features, but there are some important things for you to know about how it works.

Market Reality: Apple AR Headset Event in the Works, Snap & Niantic Have Their Own Smartglasses Plans

The race for the future of AR wearables gained steam this week with several pivotal developments. First, Apple, the subject of numerous reports and rumors regarding its purported AR headset, is reportedly eyeing an in-person unveiling of the device for later this year, rather than introduce it at its upcoming virtual Worldwide Developers Conference, which would usually be as good a time as any to make a big AR hardware announcement.

How To: Trick Your MacBook's Touch ID into Registering Twice as Many Fingerprints for Each Account

While Touch ID has been a part of the iPhone's legacy since 2013, Apple waited until 2016 to add biometrics to its MacBook lineup, and it's not as impressive. An iPhone with Touch ID can register up to five fingerprints, but Macs can only register a maximum of three per account. If that seems unfair, there's an easy trick to doubling that number, meaning six of your fingerprints could unlock your laptop!

How To: Get Netflix to Auto-Download Shows & Movies to Your Phone Based on Your Interests

These days, there's more content than ever, and the sheer amount of titles out there can make picking something to watch seem near impossible. Netflix does provide suggestions based on content you've already viewed, which helps, and the company believes so much in its algorithms that it now gives you the option to auto-download videos on your devices based on your interests, no decisions required.

How To: This Discreet Panic Button for iPhone Will Help You Escape Bad Dates, Uncomfortable Encounters & Annoying People

Strange or uncomfortable encounters can be difficult to get away from sometimes if you're overly polite and don't want to hurt anybody's feelings. Thankfully, your iPhone can help save the day, providing you with a plausible excuse to exit the scene without having to conjure up some last-minute reason on the spot.

How To: Get a 'Select All' Button for Webpages in Safari on Your iPhone

It should be simple to select and copy all text on a webpage in Safari, but it won't work as it does in other apps. Usually, you can press-and-hold down anywhere on a page and choose "Select All" from the edit menu, but that functionality is disabled in Safari and WebKit-based browsers by default — including in the latest iOS 14 version. Luckily, there is a workaround to getting a "Select All" button back.

How To: Use Facebook Messenger's Hidden 'Vanish Mode' for Disappearing Messages Whenever You Want

Saving a chat's history is useful for finding valuable information later on or just reliving a favorite conversation from the past. Sometimes, however, it's good to delete chat threads, and it's even better to have them auto-delete right after you see new messages. While some apps have had disappearing messages for some time (e.g. Snapchat), Facebook Messenger now has it too with "Vanish Mode."

How To: Get Notifications Only for Messages You're Tagged In on Your iPhone

Group chats, particularly ones with many active participants, could bombard your iPhone with hundreds of texts in a single day. It can get overwhelming real quick unless you take precautions to hide all notifications for that conversation. But there's another option now, one that'll make sure you only get alerts for the messages that matter to you most in the thread.