This is the second installment in a three-part series on threat hunting. Be sure to read Part 1 and Part 3 for more information.

A threat hunting program can provide an accurate picture of where your organization is exposed to threats and help security professionals strengthen those weaknesses. If you know how an adversary is breaking into your environment, you can improve your defenses and stop attacks from happening again in the future. This echoes the importance of having accurate and up-to-date metrics gathered through continuous threat hunting. Remember: Prevention is ideal, but detection is a must.

Protecting the C-Suite

Modern threats are just as advanced as they are persistent. Traditional attacks randomly select targets looking for vulnerabilities. Modern threats actively target their victims for acutely specific purposes. Sensitive, critical and proprietary data is fair game. To make matters worse, fraudsters are increasingly taking aim at C-level executives, locking in on the most important people and data in your organization.

Imagine that your CEO works from a desktop in the office, a laptop at home, and both a tablet and a phone when traveling. What are the odds that one or more of those devices has some sort of sensitive or proprietary data on it? It is critical to the continuity of your organization that you take necessary security measures before that data can be breached. No company wants to be the feature of the week in a news article, which is why threat hunting is a necessary exercise.

Plan for the Worst, Hope for the Best

One of the key maxims of security is to plan for the worst and hope for the best. In other words, it is better to assume that you are compromised than to assume that you are not. While this level of paranoia would inhibit you in your normal life, it can be a great help in your security career because it promotes a proactive security mentality.

Unfortunately, many organizations learn that they have been compromised through a third party. Often it is a regulating body such as law enforcement or another legal agent that brings the breach to the victim’s attention. If you are asleep in your bedroom while your home is broken into but you don’t find out until you hear sirens outside, your security has totally and completely failed you. Ideally, you would want an alarm to go off as soon as an entry point into your home was compromised, but you would also want to make sure that doors and windows were locked. You do not want to make it easy for an intruder to enter your home.

Similarly, you need to perform threat hunting and proactive security — disabling unnecessary ports, protocols and services — to make it harder for intruders to get into your network.

Tailoring Your Threat Hunting Model

With the introduction of social media, cloud and bring-your-own-device (BYOD) programs, your organization’s footprint has most likely increased exponentially. For most organizations, data is scattered over several mediums and platforms. Actively identifying the weaknesses in the areas where your data is stored is critical to identifying where your resources need to be allocated.

While threat modeling should be tailored to the specific needs of your organization, there are a few basic steps that all threat hunters should take:

  • Determine the scope of the threat.
  • Conduct asset valuation and an impact analysis.
  • Address threats by order of likelihood.
  • Arrange vulnerabilities hierarchically.
  • Examine the threat history.
  • Devise an incident response plan.

Dwelling on Dwell Time

Some of the biggest value adds of threat hunting include reducing your attack surface, minimizing your exposure to threats and better managing of security incidents. Of particular importance is a reduction in dwell time, or the amount of time an adversary is within your organization. The difference between an attacker exfiltrating information from your organization for six days and six months could be the difference between folding and staying in business.

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Star of Discovery Channel’s “Undercover Billionaire,” Grant Cardone owns and operates seven privately held companies and a private equity real estate firm, Cardone Capital, with a multifamily portfolio of assets under management valued at over $4 billion. He is the Top Crowdfunder in the world, raising over $900 million in equity via social media. Known internationally as the leading expert on sales, marketing, and scaling businesses, Cardone is a New York Times bestselling author of 11 business books, including “The 10X Rule,” which led to Cardone establishing the 10X Global Movement and the 10X Growth Conference, now the largest business and entrepreneur conference in the world. The online business and sales educational platform he created, Cardone University, serves over 411,000 individuals and Forbes 100 corporate clients throughout the world. Voted the top Marketing Influencer to watch by Forbes, Cardone uses his massive 15 million plus following to give back via his Grant Cardone Foundation, a non-profit organization dedicated to mentoring underserved, at-risk adolescents in financial literacy, especially those without father figures.