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  Techies: Let's Not Forget Brain Hacking

A close-up of a jellyfish

Description automatically generated with low confidence Credit: SergeyNivens via Canva The world of cyber security never fails to surprise us with bolder and more sophisticated cyber-attacks and...

   HACKING     2022-02-03 21:43:11

  Access control in Java -- doPrivileged

Previously we have introduced how Java performs permission check to protect resource access. What if sometimes we need to give some class the temporary access to some resource which it initially doesn't have? AccessController provides six doPrivileged methods to fulfill this requirement. These six methods have below signatures : static T doPrivileged(PrivilegedAction action)static T doPrivileged(PrivilegedAction action, AccessControlContext context)static T doPrivileged(PrivilegedExceptionA...

   JAVA,SECURITY,DOPRIVILEGED     2016-03-08 05:46:42

  Proximity Cards Do More Than Just Open Doors

Credit: Susanne Plank via Pexels Locksmiths from centuries ago couldn’t have possibly imagined opening a door by tapping a card roughly the size of a credit card. Back then, security depended on physical locks, not sealed antennas made from coiled wire, integrated circuits, and capacitors. Today, proximity cards are a popular form of keycard used in hotels, government buildings, healthcare facilities, and many more places. They open doors for people with authorized access, but they also d...

   LOCK,PRINTING     2024-04-11 22:04:07

  Different types of keystore in Java -- Overview

Keystore is a storage facility to store cryptographic keys and certificates. They are most frequently used in SSL communications to prove the identity of servers and clients. A keystore can be a file or a hardware device. Three are three kinds of entries can be stored in a keystore depending on the types of keystores. The three types of entries are: PrivateKey : This is a type of keys which are used in asymmetric cryptography. It is usually protected with password because of its sensitivity. It ...

   JAVA,KEYSTORE,OVERVIEW,JKS,PKCS12,JCEKS,PKCS11,DKS,BKS     2014-08-18 02:09:54

  Features of Google Android 4.1 Jelly Bean

In today's Google IO 2012 in San Francisco, Google announced its new Android system Android 4.1 Jelly Bean. It's a whole new Android OS and many new features are added to it. Let's check out what new features are added to Jelly Bean.1.  Projector ButterIt uses VSync and Tripple buffering to improve the interactivity experience and increase frame rate. It makes Jelly Bean the fastest and smoothest Android ever2. New home screenYou can customize the home screen. You can re-size the home scree...

   Android, Google IO, Android 4.1, Kelly Bean     2012-06-27 12:49:49

  Web Security: In-Depth Explanation of X-XSS-Protection

What is X-XSS-Protection X-XSS-Protection is an HTTP response header designed to enable or configure built-in cross-site scripting (XSS) filters in certain versions of Internet Explorer, Chrome, and Safari. The purpose of these filters is to detect reflected XSS attacks in the response and prevent the loading of pages, thereby protecting users from such attacks. The X-XSS-Protection response header was initially introduced by Microsoft in Internet Explorer 8 to control the browser's XSS filter. ...

   X-XSS-PROTECTION,WEB SECURITY,CONTENT SECURITY POLICY,XSS,CSP     2023-11-29 01:48:40

  Telecom elements in WeChat

As an engineer who spends much time on focusing on WeChat like applications(Skype, Fring, Viber, Kik Messenger, WhatsApp, Talkbox, LINE, Kakao Talk) , I would like to share with you the telecom element in WeChat to show the inheritance and integration of traditional telecom services in the Internet service and applications.First, WeChat is an application to send messages, the fully IP-based messaging capabilities may replace the traditional telecom services such as SMS, MMS and VMS ,This is ver...

   WeChat,Telecom operator     2013-04-13 20:29:46

  Why does it take Task Manager longer to appear when you start it from the Ctrl+Alt+Del dialog?

Amit was curious why it takes longer for Task Manager to appear when you start it from the Ctrl+Alt+Del dialog compared to launching it from the taskbar. Well, you can see the reason right there on the screen: You're launching it the long way around. If you launch Task Manager from the taskbar, Explorer just launches taskmgr.exe via the usual Create­Process mechanism, and Task Manager launches under the same credentials on the same desktop. On the other hand, when you use the secure ...

   Windows,Task manager,Start time,Ctrl+Alt+Del     2012-02-02 07:06:56

  How to Encrypt Your Online Conversations

Do you ever get the feeling that somebody might be listening to or reading your private conversations? You're not crazy.  Online platforms don’t hide that they use data from chats, searches, emails, and other places for targeted advertisements. Aside from being a massive invasion of privacy, it also puts your security at risk.  But it is possible to prevent people from snooping on you. All you need is a little encryption. Check out these different ways you can add encryption into...

   DATA SECURITY,VPN     2020-01-30 07:33:29

  SD Cards: Why Order Them In A Bulk?

Backing up important data is an undeniable aspect of the technologically advanced modern world. Be it photographs, videos, movies or other significant data, they all need to be stored properly for future use.  SD card or Secure Digital card is one such device that will help store all the relevant materials securely. As the name suggests, it secures all digital data. To understand why we should order bulk SD cards, we need to know why they are so beneficial.  They are extremely compact,...

   HARDWARE,SDCARD     2019-10-10 10:43:27