Open Sentry Safe Without Code

The calendar app is one of the unsung heroes found within your iPhone. It's the ultimate personal assistant that you've come to rely on to keep track of your schedule and ensure you never miss a class or meeting, all while reminding you of upcoming birthdays and deadlines to h ...more

Due to weaknesses in the way Wi-Fi works, it's extremely easy to disrupt most Wi-Fi networks using tools that forge deauthentication packets. The ease with which these common tools can jam networks is only matched by how simple they are to detect for anyone listening for them. ...more

As Android bug bounty hunters and penetration testers, we need a properly configured environment to work in when testing exploits and looking for vulnerabilities. This could mean a virtual Android operating system or a dedicated network for capturing requests and performing ma ...more

If you need to hack an Android device, try a remote administration tool. Known more familiarly as a RAT, there are open-source RATs that are barebones and exorbitantly priced RATs that are more polished. There are also low-cost and polished RATs that aren't intended to be RATs ...more

Look, tests are no fun, and doing poorly on them is rarely an option. Whether you're studious or a slacker, everyone needs a little boost now and again. While students have found ways to cheat as long as tests have existed, the invention of smartphones has greatly enhanced the ...more

Wi-Fi devices are continually emitting "probe frames," calling out for nearby Wi-Fi networks to connect to. Beyond being a privacy risk, probe frames can also be used to track or take over the data connection of nearby devices. We'll explain how to see nearby devices emitting ...more

Have you ever seen pictures or videos of balloons being let go into the sky and randomly floating away in all directions? It's something you often see in classic posters or movies. Well, guess what? Now you'll be able to do that without having to buy hundreds of balloons, all ...more

With the rise of website encryption (TLS), sniffing passwords from network activity has become difficult. However, it's still possible to quietly exfiltrate a target's network traffic in real time to extract passwords and sensitive information. Pertaining to macOS, there are t ...more

Russian cyber disinformation campaigns have many missions, but one of particular interest is using technology to monitor, influence, and disrupt online communications surrounding culturally sensitive topics or protests. The ability to watch these events, and even filter positi ...more

Web application vulnerabilities are one of the most crucial points of consideration in any penetration test or security evaluation. While some security areas require a home network or computer for testing, creating a test website to learn web app security requires a slightly d ...more

Command injection is a technique used by hackers to execute system commands on a server, usually via a web application or some kind of GUI. This can happen when an application provides some sort of functionality to the user involving the use of system commands. When the input ...more

It's been a long road, but the guys over at CoolStar have finally come up with a stable, semi-untethered jailbreak for 64-bit iPhones, iPads, and iPad touches running on iOS 11.2 up to 11.3.1, with the latest update extending coverage to 11.4 beta 3. So if you've held off on u ...more

Note-taking apps are a dime a dozen on the Play Store. However, due to their inability to sync across devices, many can't compete with Google Keep. Mozilla decided to throw their hat in the ring with Notes by Firefox, and unlike others, their notes app syncs easily with one of ...more

There's actually more to the dialer screen on your OnePlus than meets the eye. Besides its obvious purpose of calling people, there's a vast array of secret codes that you can input to troubleshoot your device, in addition to revealing important information, making anonymous p ...more

Once you've installed Ubuntu with security in mind and reduced the possibility of network attacks on your system, you can start thinking about security on an application level. If a malicious file is opened on your system, will an attacker be able to access every file on the c ...more

After installing Ubuntu as your primary OS, you should have protected against USB Rubber Ducky payloads, defended against hard drive forensics, and reduced the overall attack surface against physical strikes. When defending against network-based attacks, you'll want to minimiz ...more

The default Camera app on your iPhone can take some pretty incredible photos during the day. Newer iPhone models can even make nighttime shots look good. But you can't just point and shoot if you want to capture some pretty spectacular fireworks photos on July 4th, New Year's ...more

Developers creating login systems know better than to store passwords in plain text, usually storing hashes of a password to prevent storing the credentials in a way a hacker could steal. Due to the way hashes work, not all are created equal. Some are more vulnerable than othe ...more

A team of academics from three different universities and two private companies have just discovered a new vulnerability that affects almost every Android device since 2012. The vulnerability is known as RAMpage, and it could be used to gain complete control over the device. ...more

Hacking Wi-Fi is a lot easier than most people think, but the ways of doing so are clustered around a few common techniques most hackers use. With a few simple actions, the average user can go a long way toward defending against the five most common methods of Wi-Fi hacking, w ...more

Electronic warfare tactics work by jamming, disrupting, or disabling the technology a target uses to perform a critical function, and IoT devices are especially vulnerable to attacks. Wireless security cameras like the Nest Cam are frequently used to secure critical locations, ...more

If you ever want to root your OnePlus 6, install TWRP, get Magisk and Xposed, or flash a custom ROM, the first thing you'll need to do is unlock your bootloader. Your bootloader is a piece of firmware that loads up the operating system on your phone. Normally, it's programmed ...more

While there isn't as much personal data residing on your Apple Watch as there is on your iPhone, it's still a good idea to set a passcode for it and lock it up when you're not using it. If you don't, while it's charging or otherwise off your wrist, others may be able to sneak ...more

If you're using a mobile device, it's a pretty safe bet that your apps are sending lots of information back and forth from their servers. To make sure there is no inappropriate data collection going on, it's worth setting up a web proxy to spy on this traffic, so you know exac ...more

Database technology has vastly improved the way we handle vast amounts of data, and almost every modern application utilizes it in one way or another. But the widespread use of databases naturally invites a slew of vulnerabilities and attacks to occur. SQL injection has been a ...more

Passwords and data stored in web browsers are extremely valuable to hackers. If not for financial gain, black hat hackers may still leak your passwords and personal information for amusement. Never undervalue what you're worth to a hacker. While I'm definitely no black hat, d ...more

It's possible to stream a MacBook's entire computer screen without using Apple's Screen Sharing application and without opening any ports on the target device. A hacker with low user privileges on the backdoored Mac may be able to view a victim's every move in real time no mat ...more

While privacy and security are cornerstones of Apple's ecosystem, your iPhone isn't bulletproof. Creating a strong passcode will protect you from most threats, but there exist tools that can break through even the toughest passcodes via the Lightning port. Luckily, Apple has i ...more

Once a hacker has created a PowerShell payload to evade antivirus software and set up msfconsole on their attack system, they can then move onto disguising their executable to make it appear as a regular text file. This is how they will get a Windows 10 users to actually open ...more

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 listenin ...more

Hackers rely on good data to be able to pull off an attack, and reconnaissance is the stage of the hack in which they must learn as much as they can to devise a plan of action. Technical details are a critical component of this picture, and with OSINT tools like Maltego, a sin ...more

Despite years of user complaints, OEMs are still preinstalling third-party apps on brand new devices. Even in 2019, you'll still find plenty of phones with Facebook preinstalled. What's worse, it's installed as a system app, so it can't normally be uninstalled without root acc ...more

Many operators use elevators to control access to particular floors, whether it be the penthouse at a hotel or a server room in an office building. However, the law requires them all to have a fire service mode, which gives emergency access to restricted floors, and a hacker c ...more

Developed by Open Whisper Systems, Signal is a free, open-source encrypted communications app for both mobile and desktop devices that allows users to make voice calls, send instant messages, and even make video calls securely. However, a vulnerability was recently discovered ...more

Over the years, we've seen security breach after security breach, as well as high-profile data scandals where collected personal information was misused by companies. Apple makes customer privacy a priority, so there have been few issues to worry about when it comes to its ser ...more

Backdooring a powered-off MacBook is easy when a few minutes of physical access is allowed. That attack works well if the hacker also shares a Wi-Fi network with the victim, but this time, I'll show how to remotely establish a connection to the backdoored MacBook as it moves b ...more

Ever notice how some augmented reality apps can pin specific 3D objects on the ground? Many AR games and apps can accurately plant various 3D characters and objects on the ground in such a way that, when we look down upon them, the objects appear to be entirely pinned to the g ...more

Single sign-on (SSO) lets users login across different sites without having to manage multiple accounts. I'm sure most of us appreciate the convenience of seeing "Sign in with …" buttons that let us login with a single username. Hackers, however, see a possible avenue for expl ...more

The conversation of which operating system is most secure, macOS vs. Windows, is an ongoing debate. Most will say macOS is more secure, but I'd like to weigh in by showing how to backdoor a MacBook in less than two minutes and maintain a persistent shell using tools already bu ...more

There's a feature in the Gboard keyboard that enables people who cannot talk, type, or swipe normally to still have a way to communicate in the digital age on their smartphones. While it's mainly an accessibility feature for those who actually need it, it's a good way for anyo ...more

There are some nasty iOS bugs out there, many determined to crash the Messages app. For example, in February 2018, we saw a Telugu character render the iPhone messaging app totally useless. While that bug has been fixed, the nightmare continues in a new bug, aptly dubbed the " ...more

If you're anything like me, when you first find a good song, album, or playlist on Spotify, your initial reaction may be to share it with your family and friends. While there are the usual share methods available in Spotify that are available in other streaming music services ...more

Analysis of photographs and social connections can be a huge component of social engineering. Understanding who a person is, as well as who they know, can establish links within a company. This information could be used by hackers to execute elaborate social engineering attack ...more

Traditional subdomain enumeration techniques create a lot of noise on the target server and may alert intrusion detection systems to an attacker's intentions. For a stealthier approach, there's a tool with the capability of finding hundreds of subdomains related to the target ...more

Google Calendar is a cornerstone of the Google Suite, perhaps second only to Gmail itself. Whereas email is constantly plagued by phishing attacks, as of yet, the calendar is a relatively untapped social engineering attack vector. But it's relatively easy for an attacker to in ...more

The iOS App Store is a big place, offering over two million applications in total. However, there are actually some apps you can and should install on your iPhone that the iOS App Store doesn't include. And no, these apps do not require any difficult jailbreaking or complicate ...more

While our time with the Protostar VM from Exploit Exercises was lovely, we must move on to bigger things and harder challenges. Exploit Exercises' Fusion VM offers some more challenging binary exploitation levels for us to tackle. The biggest change is that these levels are al ...more

While there are a variety of privacy-focused search engines available like StartPage and DuckDuckGo, nothing can offer the complete trust offered by creating one's own search engine. For complete trust and security, Searx can be used as free metasearch engine which can be host ...more

PUBG is currently taking the mobile world by storm, and it's easy to see why. The game has breathed much-needed life to the multiplayer shooting genre, primarily by adding an element of sheer terror as you scavenge for weapons in a hostile environment. With new players continu ...more

As you're surely aware, your phone can be used against you. Thanks to our cameras and microphones, a clever hacker can obtain access to your device and invade your privacy. But spying isn't limited to just these two sensors — gyroscopes, proximity sensors, QR codes, and even a ...more

There has been significant debate over law enforcement's right to access our digital devices in recent years. New tools from Grayshift and Cellebrite are popping up faster than ever to help government agencies, as well as traditional hackers, break into iPhones. If you're conc ...more

There are a number of options and hidden menus within Android that provide users more control over their device. With this control, you can better manage how your phone operates. We came up with a list of tips and shortcuts that, when used, will slowly put you on a path to bec ...more

One of Android's biggest strengths is its flexibility. There's usually more than one way to perform the same task, which makes it easy to find an alternate method that works better for you. Android also has some hidden features that newer users might not be aware of, so we mad ...more

While Wi-Fi networks can be set up by smart IT people, that doesn't mean the users of the system are similarly tech-savvy. We'll demonstrate how an evil twin attack can steal Wi-Fi passwords by kicking a user off their trusted network while creating a nearly identical fake one ...more

In late-2017, Snapchat debuted Lens Studio, a way for anyone to create their own augmented reality "world lenses" that can be shared to anyone with a Snapchat account. If you don't mind spending money, you can even create custom face lenses and basic overlay filters for specia ...more

When a photo or video is just too sensitive to leave laying around in your Photos app, you'll want to either delete it for good or hide it away in safe, secure location on your iPhone. As for the latter, Apple actually has a few tools available to make photos and videos hidden ...more

Between the Cambridge Analytica scandal and the revelation that Facebook logs your calls and text history on Android, many are considering joining the #DeleteFacebook movement. But it can be difficult to leave the site, because so much of its content is only available to activ ...more

After a hacker has configured Metasploit on a remote private server, created a resource script for automation, and created a simple payload, he or she can begin the process of remotely controlling someone's Windows 10 computer with just a few moments of physical access — even ...more

As we aim for a wireless world, technology's reliance on cloud computing services is becoming more apparent every day. As 5G begins rolling out later this year and network communications become even faster and more reliable, so grows our dependency on the services offered in t ...more

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 ot ...more