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iOS Security: How to Keep Private Messages on Your iPhone's Lock Screen for Your Eyes Only

When you leave your iPhone on a table or anywhere within somebody else's eyeshot, a private message may pop up on your lock screen that could be read by anyone who sees it. But there's a way to keep others from reading your possibly sensitive text messages and emails without giving up the convenience of lock screen notifications entirely.

How To: Install OpenVAS for Broad Vulnerability Assessment

OpenVAS is a powerful vulnerability assessment tool. Forked from Nessus after Nessus became a proprietary product, OpenVAS stepped in to fill the niche. OpenVAS really shines for information gathering in large networks where manual scanning to establish a foothold can be time-consuming. OpenVAS is also helpful for administrators who need to identify potential security issues on a network.

News: Frustrated by Acne? New Research Shows Skin Microbiome Makes a Difference

The squiggly guys in this article's cover image are Propionibacterium acnes. These bacteria live in low-oxygen conditions at the base of hair follicles all over your body. They mind their own business, eating cellular debris and sebum, the oily stuff secreted by sebaceous glands that help keep things moisturized. Everybody has P. acnes bacteria—which are commonly blamed for causing acne—but researchers took a bigger view and discovered P. acnes may also play a part in keeping your skin clear.

How To: Security-Oriented C Tutorial 0xF8 - PE File Infection

How is it goin', fellow 1337 haXX0rZ! dtm here with another article, this time, we'll be looking at infecting PE files, executables in particular for this write-up. Obviously some prerequisite knowledge will be needed since this isn't really newbie-friendly. If you are still a beginner, fear not, it might still be interesting to read! Hopefully!

How To: Embed a Metasploit Payload in an Original .Apk File

UPDATE: This post is outdated, the latest version with the correct links and updated instructions can be found UPDATE: This post is outdated, the latest version with the correct links and updated instructions can be found at my blog, here - at my blog, here - https://techkernel.org/2015/12/11/embed-metasploit-payload-in-apk-easily/

How To: Save Battery Life on Android by Turning Off Pixels (No Root Required)

Many modern Android devices use a display technology called AMOLED. These screens differ from traditional LCD displays in that each pixel emits its own light, so a backlight is not required. Even better, when rendering a black element on the screen, AMOLED displays simply don't light up the associated pixels, meaning virtually no power is used. Since black pixels use little to no power on an AMOLED screen, more black pixels means lower battery consumption.

How To: Quiet an Overthinking Mind

We all carry a bit of anxiety around with us. Is our boss still annoyed because we could barely stay awake in yesterday's pre-dawn meeting? Will our friend hate us forever because we forgot to call them back two weeks ago? Whatever worries pop up in your mind, whether they're monumental or insignificant, it can be hard to quiet those nagging voices, but you can shut down your nonstop mind with a bit of relaxation, distraction, and action.