|Strategies for Dealing with the Increase in Advanced Targeted ThreatsAdvanced security threats are increasing, but simply adding more layers of defense does not necessarily increase security against targeted threats; security controls need to evolve. According to CMR targeted attacks are penetrating standard levels of security controls and causing significant business damage to enterprises that do not evolve their security controls. According to industry estimates, for the average enterprise, 4 percent to 8 percent of executables that pass through antivirus and other common defenses are malicious. Enterprises need to focus on reducing vulnerabilities and increasing monitoring capabilities to deter or more quickly react to evolving threats. There are existing security technologies that can greatly reduce vulnerability to targeted attacks.
The major advance in new threats has been the level of tailoring and targeting — these are not noisy, mass attacks that are easily handled by simple, signature-dependent security approaches.
Targeted attacks aim to achieve a specific impact against specific enterprises, and have three major goals:
The motivation for advanced targeted threats is usually financial gain, such as through extortion during a denial-of-service attack, trying to obtain a “ransom” for stolen information, or selling stolen identity information to criminal groups. Going forward, in the coming year to two, financially motivated attacks will continue to be the primary source of majority of the most damaging cyber threats.
CMR has identified some strategies that companies can implement to deal with advanced targeted threats:
Own the vulnerability: There are no unstoppable forces in cyber attacks. If IT leaders close the vulnerability, then they can stop cybercriminals. Most hackers usually exploit well-known vulnerabilities as part of the overall attacks. Businesses and government agencies involved in critical infrastructure, high-tech or financial operations that are constant targets of cybercrime and other advanced threats need to add capabilities to have continual visibility into potential attacks and compromises. The use of specialized threat detection and situational awareness technologies can be very effective in quickly detecting and reacting to the first stages of an advanced targeted threat, but require high levels of skilled resources to be effective.
Evolve defenses: The best approach to reducing the risk of compromise is always “security in depth” — if the enterprise can afford it. Affording it means not just having the money to buy increasing numbers of security products, but also the staff and operations support to use and integrate everything together. Having more security layers does not automatically mean more security.
Focus on security, not compliance: There is a big difference between compliance and security. “Due diligence” from a compliance perspective is simply limiting the company’s liability from legal action — it is never the answer to dealing with advanced threats or living up to customers’ trust.
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