Monday, April 30, 2012

Determined Adversaries and Targeted Attacks

Via Microsoft Security Intelligence Report -

Over the past two decades the internet has become fundamental to the pursuit of day-to-day commercial, personal, and governmental business. However, the ubiquitous nature of the internet as a communications platform has also increased the risk to individuals and organizations from cyberthreats. These threats include website defacement, virus and worm (or malware) outbreaks, and network intrusion attempts. In addition, the global presence of the internet has allowed it to be used as a significant staging ground for espionage activity directed at industrial, political, military, and civil targets.

During the past 5 years, one specific category of threat has become much more widely discussed. Originally referred to as Advanced Persistent Threats (APT) by the U.S. military — referring to alleged nation-state sponsored attempts to infiltrate military networks and exfiltrate sensitive data — the term APT is today widely used in media and IT security circles to describe any attack that seems to specifically target individual organization, or is thought to be notably technical in nature, regardless of whether the attack was actually either advanced or persistent.

In fact, this type of attack typically involves two separate components — the action(s) and the actor(s) — that may be targeted against governments, military organizations or, increasingly, commercial entities and civil society.

The actions are the attacks themselves, which may be IT-related or not, and are referred to as Targeted Attacks in this paper. These attacks are initiated and conducted by human actors, who are collectively referred to in this paper as Determined Adversaries. These definitions are important because they emphasize the point that the attacks are carried out by human actors who may use any tools or techniques necessary to achieve their goals; these attacks are not merely malicious software or exploits. Using an encompassing term such as APT can mask this reality and create the impression that all such attacks are technically sophisticated and malware-driven, making it harder to plan an effective defensive posture.

For these reasons, this paper uses Targeted Attacks and Determined Adversaries as more specific and meaningful terms to describe this category of attack.


Be sure to check out Microsoft's Security Intelligence Report (SIR) Volume 12.
The Microsoft Security Intelligence Report (SIR) analyzes the threat landscape of exploits, vulnerabilities, and malware using data from Internet services and over 600 million computers worldwide. Threat awareness can help you protect your organization, software, and people.

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