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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.
A while back, I worked with one of our clients who was put in a tough spot by their external auditors. The auditor flagged every firewall rule that accepted traffic and used the “Any” object in the service column as non-compliant. Our client, in turn, asked us, “How can we quickly redefine these rules with more appropriate access? And how can we do it without interrupting business operations?” The answer we gave them was FireMon’s Traffic Flow Analysis.
Finding Big Rules
We’ve all had those handful of rules that we hate. They’ve been in the firewall for years and nobody remembers who put them there or why. But they all have something in common: they aren’t secure. They allow too much access, auditors hate to see them and no one can justify the access because the uses are too broad. Class A networks in the source or destination, “Any” objects in the service column, and the use of deeply nested group objects are all examples off broad access.
So, why were the rules added in the first place? There are a lot of reasons, but I think the most common one is that the real requirement for access was not well defined, so broad access was given to ensure functionality. It’s certainly not uncommon for security to be the last to know about architecture projects or new systems being deployed on the network, so engineering on a short timeline without all of the information has almost become status quo. Given the high probability of those scenarios continuing to occur, how can we improve the rule set without interrupting normal operations?
Removing Big Rules
FireMon’s Traffic Flow Analysis can help you pare down those big rules into a handful of manageable rules that more correctly represent the access that is required. Once you do that, the business justification for the access will be clear, the business owner can be assigned, and the rules can be managed throughout the rest of their life cycle.
Traffic Flow works by closely watching the access that is in use behind a single firewall rule. Then, using a complex algorithm to determine the common access paths, it recommends how you can define new access. The analysis can be as simple as showing the services used by that rule or complex rule definitions that include the source, destination and service.
Traffic Flow is available for firewall rules as well as ACLs on Cisco routers. It also has some additional uses, such as quickly helping you see what is falling through to the drop rule or creating a policy from scratch by monitoring an accept-all rule.
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.