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Kerberos: The Trusted Watchdog of Distributed Computing

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Kerberos is an open source authentication and single sign-on protocol widely used in the computing industry. This article gives a basic overview of the...

Blockchain: The future of Geospatial Applications

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Blockchain can be regarded as the world’s leading software platform for digital assets. It is a continually growing list of records, called blocks, which...

Demystifying Blockchains

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A blockchain is a continuously growing list of records, called blocks, which are linked and secured using cryptography to ensure data security. Data security is...

A Peek into the Top Password Managers

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We use passwords to ensure security and the confidentiality of our data. One of the biggest modern day crimes is identity theft, which is...

An Introduction to Bitcoin: The Open Source Cryptographic Currency

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Bitcoin is the new 'virtual currency' that has aroused the interest of millions of people, financial and banking institutions, and government agencies. As it...

Power Programming: Bitwise Tips and Tricks

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If you are a seasoned programmer, these tips and tricks will seem very familiar, and are probably already part of your repertoire. If you...

Cyber Attacks Explained: Web Exploitation

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Websites are no longer merely about having an "Internet presence" today, but are also used for commercial transactions and to transfer sensitive data. Such...

Cyber Attacks Explained: Packet Spoofing

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Last month, we started this series to cover the important cyber attacks that impact critical IT infrastructure in organisations. The first was the denial-of-service...

Securing Database Servers

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With the ever-expanding data requirements for Web applications, database administrators often configure security parameters at the OS and database layer. Unfortunately, administrators seldom consider...

Aircrack-ng: Wi-Fi Troubleshooting, Auditing and Cracking Made Easy

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Wi-Fi technology has today become almost ubiquitous for wireless local area networks at offices, restaurants, homes, airports, hotels, etc. However, with increased Wi-Fi usage...