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Hacking macOS: How to Remotely Eavesdrop in Real Time Using Anyone's MacBook Microphone

Google, Amazon, and Facebook are always listening. But what's worse? Hackers are listening, too. Windows PCs are particularly vulnerable, but with a few simple commands, a remote attacker can even take over the microphone on someone's Mac computer, streaming audio and listening to private conversations in real time without the victim's knowledge, abusing an overlooked security consideration.

News: iOS 11.4 Released to Everyone, Includes AirPlay 2, Messages in iCloud, New Wallpaper & More

After six betas, iOS 11.4 was officially released to everyone with a compatible iPad, iPhone, and iPod touch. Some features are ones that Apple promised over eight months ago when iOS 11 was first pushed out. This update makes sense since iOS 12 will be announced at WWDC on June 4, and you can't announce a new version like that without first delivering on promises made for the one before it.

Samsung Internet 101: How to Password-Protect Your Private Browsing Sessions

Whichever web browser you use, each comes with a way to surf the net "secretly." While nothing on the internet is truly anonymous, private browsing modes can help keep your movements hidden from those who might have access to your data. The "secret mode" for the Samsung Internet app goes a step further on Android, by locking your private browsing behind a unique password.

How To: Chat with Friends on Messenger Without a Facebook Account

For some of you, whether or not to delete Facebook is a daily struggle. One reason you might not have pulled the trigger on your Facebook account yet could be because of Messenger, which provides millions of people with different devices an easy way to communicate with each other. But here's a secret you might not know: you don't need to have a Facebook account to use Facebook's popular chat app.

Snapchat 101: How to Make Your Own Custom Geofilters & Lenses

Snapchat is in the midst of a massive redesign — one that not everyone loves. Still, it's clear that this is a decision fueled by money, and Snap Inc. believes this redesign will help attract more advertisers. Even so, Snapchat has a few more tricks up their sleeves to make a little extra dough. And while the average user couldn't care less about ads, they very easily could care about custom Filters and Lenses.

How To: 3 Reasons You Still Need a Good Antivirus App on Android

Many people think antivirus apps are useless — why pay a subscription fee when most malware can be avoided with common sense? But the thing is, there were an estimated 3.5 million malicious Android apps discovered last year, with many of them making their way onto the Play Store. As this number continues to rise, can you truly depend on common sense to protect you?

Exploit Development: How to Read & Write to a Program's Memory Using a Format String Vulnerability

Format strings are a handy way for programmers to whip up a string from several variables. They are designed to save the programmer time and allow their code to look much cleaner. Unbeknownst to some programmers, format strings can also be used by an attacker to compromise their entire program. In this guide, we are going to look at just how we can use a format string to exploit a running program.

News: Monthly Injection Has Potential to Replace Daily Handfuls of HIV Drugs

People infected with HIV take many different types of pills every day to decrease the amount of virus in their body, live a longer and healthier life, and to help prevent them from infecting others. That could all be in the past as new clinical trials testing the safety and effectiveness of a new type of treatment — injections given every four or eight weeks — look to be equally effective at keeping the virus at bay.

How To: Create a Strong (Or Stronger) Passcode for Your iPhone

When you first set up an iPhone, you'll be prompted to create a six-digit passcode to unlock your screen and access certain system settings. If you skip this step, you can always go back and create one, which we highly recommend. Without a passcode, everything on your iPhone is accessible by anyone who gets their hands on it — nosey friends, hackers, thieves, local law enforcement, the FBI — and you don't want that, do you?