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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.
Today Roger Grimes posted an article on InfoWorld about the overdue death of the firewall: Why you don't need a firewall. His case rests on two primary arguments: 1. The firewall doesn't protect against modern day threats, specifically client-side vulnerabilities and the fact that all apps run over port 80 and 443 that can never be blocked in the firewall and 2. The firewall is managed so poorly that it causes more problems than it solves.
Let's separate these two points to more logically discuss each, starting with the value of a firewall in today's threat environment. I take significant issue with his statement that, Today, 99 percent of all successful attacks are client-side attacks. This is not substantiated by any research for good reason; it isn't true. The Verizon Data Breach Investigations Report actually discusses successful attacks in significant depth and completely invalidates this point. It reports that 81% of all attacks and 99% of lost data is a direct result of Hacking. It goes on to specify that access to remote services (e.g. VNC, RCP) combined with default, weak or stolen credentials account for 88% of all breaches. The assumption that 99% of attacks are client-side is dead wrong.
With remote access to services remaining the greatest attack vector today, firewalls still play a very significant role and are changing dramatically. It would also seem that Roger is ignoring new advancements in firewall technology. NextGen firewalls are specifically adept at helping prevent the client-side attack. No longer is port 80 and 443 an open highway of access through which everything can pass. User-based and application-based policies permit effective control of outbound access.
Roger’s second point, on ineffective management, is something which I agree is a problem, but don't agree with his conclusion. His argument that ineffective management, where rules are created that permit nearly all access renders the firewall useless, is absolutely correct. Ineffective management that leads to poor configurations is a problem that can turn the best firewall technology into nothing more than a router passing all traffic. But his conclusion that this means the firewall should die is a really bad leap in logic. Poor management is not cause to kill the technology. Instead, I propose more effective management.
FireMon has been dedicated to this very idea of better firewall management for over a decade. Ineffective firewalls are not a caused by bad technology or incapable administrators. It is a problem with management. A stream of 1,000 logs per second won't make any sense if a human tries to process their meaning while staring at a screen, but with some automation of log analysis, they can provide a wealth of information. 500 complex rules in a single firewall policy may be nearly impossible to evaluate to understand what access is truly being allowed, but with a powerful policy analysis tool, it is a trivial exercise. Even Roger's example of a poorly defined rule with ANY ANY defined due to missing requirements is a solvable problem with the right tools. FireMon provides a powerful Traffic Flow Analysis tool that analyzes traffic flowing through overly-permissive rules permitting retroactive correction of these problematic rules.
The firewall is not dead and won’t be. With next gen capabilities and effective management - which is possible and available today - the firewall will remain a critical component of security solutions forever.
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.