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Exchange Server bugs caused years of security turmoil

The four high-profile sets of security vulnerabilities in Microsoft Exchange Server, disclosed by researcher Orange Tsai, are set to remain a major concern for organizations.

News

Risk & Repeat: Twitter, Elon Musk and security concerns

This podcast episode discusses Twitter's security concerns following Elon Musk's acquisition last month, as well as possible data breach from 2021 that came to light recently.

News

Tenable: 72% of organizations remain vulnerable to Log4Shell

New research shows the attack surface remains wide for the Log4j vulnerability, known as Log4Shell, which caused significant problems for organizations over the past year.

Problem Solve

How to prevent SQL injection with prepared statements

One of the top defenses against SQL injection is prepared statements. In this book excerpt, learn what prepared statements are and how to extend their defense.

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Information Security Basics

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    Common Body of Knowledge (CBK)

    In security, the Common Body of Knowledge (CBK) is a comprehensive framework of all the relevant subjects a security professional should be familiar with, including skills, techniques and best practices.

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    buffer underflow

    A buffer underflow, also known as a buffer underrun or a buffer underwrite, is when the buffer -- the temporary holding space during data transfer -- is fed data at a lower rate than it is being read from.

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    pen testing (penetration testing)

    A penetration test, also called a pen test or ethical hacking, is a cybersecurity technique that organizations use to identify, test and highlight vulnerabilities in their security posture.

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