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My years of experience managing security programs, across a broad spectrum of industries, has given me a greater understanding of how technology and people both play a critical role in influencing the overall security posture of any organization.
When you have a conversation with security leaders and take notice of what’s generally high on their list of concerns, incident response tends to be near the top. Though, it’s not necessarily the tactical response of today, but instead the continued emphasis to evolve incident response as a discipline. There are countless articles and thought-leadership pieces circling the Internet, but what’s missing is the acknowledgment that we still make decisions based on limited information. I must make the distinction that it’s not because of a lack of data; rather there are no simple ways to make sense of the mountains of security data that exist as a byproduct of the innate need to “collect data.”
For more than 10 years now, there has been a playbook that most organizations have followed as divinely inspired text. The playbook had three principle directives:
1) gather every piece of data you can
2) store that data in a security-specific database
3) give an analyst a username and password
So, we began to monitor everything, received alerts from all over the network, and tried to piece together a coherent tapestry for action.
Nested within each of the recommendations is the assumption that gathering and storing data would be sufficient. I would ask you to consider that this assumption is flawed. If incident response is to evolve as a discipline, we need to shift to a new paradigm. A paradigm that emphasizes knowledge over data.
To be sure, no one is at fault here; many followed the playbook, and it was the right thing to do. Following the playbook’s directives was certainly better than doing nothing. However, incident responders still remain some of the least equipped members of security organizations. Why is that?
For starters, we believed that investments in SIEM and other technologies (directives 1 and 2) would deliver the right data, quickly. We assumed that the primary need was more data in order for responders to make decisions, so we continued to toss more data into the soup. This is flawed.
There’s a need for knowledge-driven decision making. But in order for that to happen, we must analyze the data we have – not just pile more data into the tank. With that in mind, let’s digress for a moment and talk a bit about data, information, and knowledge.
This seems obvious, we need data to know what’s happening. Although data is a good place to begin, it is insufficient for decisions. Data is a single observation which can contain any number of combinatorial fragments. Data is disconnected, not distilled, and is hopelessly fickle about what it tells us. It is like having a single word drawn from a 26-volume encyclopedia – far from definitive.
Information is a compilation of data. Information gets us closer to the goal, but still leaves much to be desired. Information can be misleading and can accentuate a bias we didn’t even know was there. This natural inclination (the confirmation bias) can keep us from seeing the truth of the matter. This giant pile of data we call “information” does not yield the direction we need to make decisions. It is like having pages pulled from the encyclopedia at random and assuming they each tie together in a coherent frame. Unfortunately, this doesn’t happen. It is more like playing Mad-Libs than getting an education.
Finally, we come to knowledge. This elusive pot-of-gold is what we’re striving to get. Knowledge provides purpose and direction. Furthermore, knowledge is strongest when it disconfirms, rather than confirms; knowledge provides a way to rule out false-positives. Now, we have the encyclopedia along with the instructor guiding our understanding.
If organizations wish to develop incident response as a thorough discipline, they must become methodologically knowledge-driven.
The playbook’s third recommendation creates the false assurance that all we need is smart people with access to the ocean of data we’ve assembled. This is where we choke out the opportunity to mature incident response. Ask any incident responder or response team: “Do you have access to data?” Then, “what are you lacking?” The answer: a meaningful way to make sense of all that data.
They have been inundated with alerts, alarms, sirens, and notifications. They do not need any more of them. For knowledge to take the lead, we need intelligent ways to interrogate our data, ask of it questions, stitch together the picture, and take action are required.
In Part 2, I will make recommendations for a new playbook that will center on the methodological ways to create a knowledge-driven incident response discipline, including: triaging alerts, smart indexing, crawling and tagging, removing data that is irrelevant, and how to stop chasing false positives.
If incident response is going to mature, it has to become knowledge-driven.
Josh Mayfield led a webinar on maturing security intelligence. You can catch a replay here: Watch Replay >>
So you’ve purchased a new firewall. Now what?
You’ve got to decide which access is allowed, which isn’t allowed and whether or not rules are compliant with internal and regulatory standards.
Things are running along smoothly and then the dreaded “change.” A user submits a new access request and the fun begins. Is this access necessary? Safe? Compliant? And what happens when it’s time to retire unused rules?
How Effective Security Management Can Help Teams Cover the Exponentially Increasing Gap between Technology & the Resources Available to Manage It
Security teams today are under tremendous pressure due to the rising frequency and impact of breaches and a business that wants to move faster and faster. The answer to both of these challenges has always been to add more technology and staff resources.
However, each new technology added creates complexity. More rules are created and more data is generated. As networks continue to evolve, this complexity will only grow. And while staff resources may increase, they will never match the exponential growth of technology.
FireMon calls this phenomenon The Complexity Gap and has set out to help security teams close it.
Join us for this webinar with Frost & Sullivan where we’ll explore the causes of “The Gap” and how workforce multipliers such as intelligence and automation help staff manage their security more efficiently and more effectively.
En la actualidad, uno de los retos principales es preparar las redes de seguridad, no sólo para enfrentar las amenazas, sino también para enfrentar los cumplimientos. El día 26 de enero se publicó en el Diario Oficial la LEY GENERAL DE PROTECCIÓN DE DATOS PERSONALES EN POSESIÓN DE SUJETOS OBLIGADOS.
¿Está tu red preparada?
¿Cuentas con los procesos necesarios para el cumplimiento?
En esta era digital los datos personales de nuestros clientes y proveedores pasan por una red y se almacenan en una base de datos. Éstos, por ley, deben protegerse por medio de sistemas y procesos. Uno de los objetivos de esta ley es establecer las condiciones de tratamiento de datos personales y fomentar la cultura de protección.
La Ley de protección de datos es mucho más que un simple aviso de privacidad; esta ley describe derechos y obligaciones que de incumplirse pueden ser penalizados. Asiste a este Webinar para conocer más y prepararte. Te mostraremos:
In the fall of 2016, we sought the answer to a very simple question: What benefits do users who have a firewall management tool deployed with their firewalls see over nonusers? To find out, we commissioned Forrester Consulting to survey 188 IT security decision makers.
In their study, “Automate Zero Trust Policy & Enforcement,” Forrester Consulting found that organizations with firewall auditing and configuration tools realize more benefits that those without, including:
In this webinar, guest Speaker Josh Zelonis, Senior Analyst with Forrester, will review and discuss the results of the study with FireMon CTO Paul Calatayud who will bring his own experiences and best practices for deploying firewall management tools to improve productivity and reduce risk.
Helping Enterprise Security Teams Improve Resource Efficiency & Reduce Overall Risk Exposure
Firewall technology has come a long way since its initial, most rudimentary forms. Next-Generation Firewalls (NGFW) are the latest development, and organizations are accelerating adoption to the new technology. But NGFWs aren’t a fix-all solution.