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Advantages of Using SonicWALL Route-Based VPN Instead of Site-to-Site VPN

Article | Oct. 21, 2013

There are several advantages to implementing a route-based VPN (a.k.a. tunnel interface VPN) instead of a site-to-site one. Learn more.

Planning a Career Path in Cybersecurity

White Paper | Oct. 14, 2013

As a society, we have all become heavily dependent on computers, network, and data stores. This in turn has exposed us to the risk of loss or compromise of those data systems. The need for personnel knowledgeable and experienced in security implementation and management has never been greater and the need is growing.

Cybersecurity Necessities: A Firewall, Antivirus, and a Well-Trained Workforce

Webinar – Recorded | Oct. 03, 2013

You have spent money on software and hardware, implemented best practices, and believe you are secure, right? You may have overlooked the weakest link: your employee. Many breaches occur as a result of an employee mistakenly clicking on a link or visiting a site that allows a virus to be unknowingly downloaded, giving hackers access to your network. Today, a well-trained workforce is a necessity and may even be your most important cybersecurity tool. In this webinar, security expert David Willson will discuss how many breaches have occurred and are occurring, the tools and techniques hackers use to trick employees into clicking on links or opening attachments, and how to prevent such behavior.

Applying the Four Standards of Security-Based CIA

Article | Aug. 29, 2013

Constant change in the technology landscape has been mirrored by the steady evolution of information security. The current information system environment is increasingly complex, comprising storage, servers, LANs/WANs, workstations, Unified Communications, Intranet, and Internet connections.

Top 12 SonicWALL CSSA Exam Prep Tips

Article | Aug. 21, 2013

Dell SonicWALL's CSSA (Certified SonicWALL Security Administrator) exam is an open book, online certification exam that certifies a student’s understanding of the SonicOS Unified Threat Management (UTM) operating system. The exam tests a student’s network security knowledge, and their ability to use the GUI menu structure for configuration of standard network security scenarios.

How To Use Transparent Data Encryption in SQL Server 2008

Video | July 18, 2013

In this video, you will learn how to a use a new feature of SQL Server 2008 called Transparent Data Encryption for enhanced security.

FIREWALL 2.0 - Deploying Cisco ASA Firewall Solutions

Video | July 11, 2013

Global Knowledge instructor Doug Notini discusses the benefits of our FIREWALL 2.0 - Deploying Cisco ASA Firewall Solutions course.

High Availability Options in SQL Server 2008

Video | July 11, 2013

In this video, you will learn about the High Availability options in SQL Server 2008: Server Clustering, Database Mirroring, Log Shipping and Peer-to-Peer Replication.

Using Countermeasures to Ensure Risk Management

Article | July 03, 2013

While the last few years have brought about many great advances in IT and network technology security and risk management have a critical point. There is a host of new concerns the IT security manager must be concerned with, including social networking, mobile, cloud, and information sharing. This has unleashed a new wave of change and potential risk. Risk management is required to deal with these emerging technologies and should provide the rationale for all information security activities within the organization. You can think of risk management as the process of ensuring that the impact of threats and exploited vulnerabilities is within acceptable limits at an acceptable cost. Risk management requires the use of countermeasures. Countermeasures can include any process that serves to reduce threats or vulnerabilities.

Custom Cisco CCNP Security Training Labs

Video | Feb. 27, 2013

Course director Jim Thomas explains how our custom labs, which utilize external hosts, ISR routers, and DMZ, provide a real-world environment for students.

Top 10 Cybersecurity Risks: How Prepared Are You for 2013?

White Paper | Jan. 24, 2013

Rather than looking back over the past year, organizations and individuals need to start assessing cybersecurity threats that lie ahead in the New Year. While there is always the chance for a new threat or risk to be unearthed this year, often the risks of the New Year are predicable from the trends of attacks from the previous year. However, other factors need to be considered as well, including new technologies, new software and applications, mobility, etc. Here are my predictions of the areas to watch for new security threats. When it comes to cybersecurity, we have a lot to look out for, take precautions against and be paranoid about.

Risk Management with RSA’s Archer GRC Framework

Article | Dec. 05, 2012

Risk is something we deal with on a daily basis. Living in New Jersey and having the occasional storm, I’ve recently performed my own risk assessment determining the value of certain assets and activities and made a decision on what I was willing to spend to reduce risk to what I perceived as an acceptable level. My management of risk was a rather simple case. Sure, in my revised business continuity plan for my home, I’ll make sure that I have more D cell batteries, have my garage door adjusted so it opens manually again, more food I can heat on a stove and that doesn’t rely on refrigeration, and finally I’ll consider a whole house gas generator that uses natural gas, which has always been available to power critical systems like the sump pump in my basement. What if, however, I was a really large business? One with lots of components and interdependencies that require a tight integration in order to succeed? How and where can a large volume of information necessary to management, business continuity, and disaster recovery be correlated and communicated to those individuals who, because of their roles and responsibilities, need to make the critical decisions regarding the management of risk?

Zero Day Exploits

White Paper | Oct. 23, 2012

For several years, most news articles about a computer, network, or Internet-based compromise have mentioned the phrase "zero day exploit" or "zero day attack," but rarely do these articles define what this is. A zero day exploit is any attack that was previously unknown to the target or security experts in general. Many believe that the term refers to attacks that were just released into the wild or developed by hackers in the current calendar day. This is generally not the case. The "zero day" component of the term refers to the lack of prior knowledge about the attack, highlighting the idea that the victim has zero day's notice of an attack. The main feature of a zero day attack is that since it is an unknown attack, there are no specific defenses or filters for it. Thus, a wide number of targets are vulnerable to the exploit.

Ten Steps to Better, Stronger Passwords

White Paper | Sep. 26, 2012

Hackers are everywhere, and they have a sophisticated array of tools for cracking your passwords. The primary purpose of this white paper is to help you understand that easy-to-remember passwords are no longer considered a secure form of authentication. You should consider any static password that you can remember as vulnerable. Even static passwords that are random are still vulnerable to some extent - It just takes much longer for a password cracking attack to be successful, and the likelihood of that success is inversely proportional to the length of the password. Here are some tips to help you create effective passwords, and how to keep your passwords safe.

Contingency Planning: How Do You Plan for Failures?

Article | June 05, 2012

In spite of an organization's best efforts to prevent downtime and avoid compromises, failures will still happen from time to time. “There are only two types of companies: those that have been hacked, and those that will be. Even that is merging into one category: those that have been hacked and will be again,” (FBI Director Robert Mueller). So what is your organization doing about it? How do you plan for failures and security breaches?

12 Steps to Bring Your Own Device (BYOD) Success

White Paper | April 16, 2012

IT departments have multiple opportunities and challenges as a result of the Bring Your Own Device (BYOD) invasion. The most common opportunity is to reinforce enterprise network security from both the inside and the outside. Supporting BYOD also offers more monitoring and tracking of activities that provide a more detailed view of network traffic flow. Alternatively, it will be a challenge for some IT departments to give up control over which devices may access their enterprise network. Another challenge will be to have the users doing configurations for network access, which adds human error to a crucial part of the process. The opportunities and challenges BYOD represents are real. Enterprises must make their network infrastructure BYOD ready to meet the onslaught.

Hacking Back In Self-Defense: Is It Legal? Should It Be?

Webinar – Recorded | Feb. 01, 2012

Your business has been hacked, leaving you with a persistent bot; now what? In this hour-long webinar, security expert David Willson will discuss ways you can eliminate the threat in an act of self-defense or defense of property. As new laws are explored, old ones amended, and solutions sought, you'll take a look at thinking outside the box to give the good guys the advantage-or at least a fighting chance.

Network Forensics Analysis: A New Paradigm in Network Security

Webinar – Recorded | Oct. 26, 2011

In this hour-long webinar, security expert and Global Knowledge instructor Phillip D. Shade will provide insight into the emerging network security science of network forensics analysis, a.k.a. security event analysis and reconstruction. Using case studies, you will examine the role of data retention in network forensics analysis, and you will learn about applying forensics analysis techniques to handle application-based attacks, VoIP call interception, and worms, bots, and viruses.

The 5 Phases of Hacking: Covering Your Tracks

Article | Aug. 30, 2011

An attacker needs to destroy evidence of his presence and activities for several reasons like being able to maintain access and evade detection (and the resulting punishment). Erasing evidence of a compromise is a requirement for any attacker who wants to remain obscure and evade trace back. This usually starts with erasing the contaminated logins and any possible error messages that may have been generated from the attack process.

The 5 Phases of Hacking: Gaining Access

Article | Aug. 16, 2011

Gaining access is the most important phase of an attack in terms of potential damage, although attackers don’t always have to gain access to the system to cause damage. For instance, denial-of-service attacks can either exhaust resources or stop services from running on the target system. Stopping a service can be carried out by killing processes, using a logic/time bomb, or even reconfiguring and crashing the system. Resources can be exhausted locally by filling up outgoing communication links.

The 5 Phases of Hacking: Scanning

Article | Aug. 11, 2011

Attackers use a method called scanning before they attack a network. Scanning can be considered a logical extension (and overlap) of active reconnaissance since the attacker uses details gathered during reconnaissance to identify specific vulnerabilities. Often attackers use automated tools such as network/host scanners and war dialers to locate systems and attempt to discover vulnerabilities.

How to Avoid a Cyber Disaster

Webinar – Recorded | April 27, 2011

Planning for a cyber disaster makes recovering from one much easier. Still, as important as disaster planning is, it's often overlooked or put off until it is too late. In this webinar, Global Knowledge instructor Debbie Dahlin discusses planning for the unexpected -- whether the unexpected means a simple power outage, a network security breach, or a major natural disaster. She'll discuss risk analysis and risk management techniques and explain the importance and process of creating a business continuity plan. Using a fictional company as an example, Debbie will walk you through the disaster planning process a security professional should use, and she will provide simple tricks to reduce your company's downtime before, during, and after a disaster.

Securing Communications

Webinar – Recorded | Feb. 23, 2011

In this webinar, the second of two based on our Cybersecurity Foundations course, you'll build on what you learned in the first of the series, Protecting Your Network with Authentication and Cryptography.

Protecting Your Network with Authentication and Cryptography

Webinar – Recorded | Feb. 09, 2011

In this webinar, the first of two based on our Cybersecurity Foundations course, you will examine the following topics: verifying users and what they can access, ways a user can be validated to computer and network resources, how cryptography is used to protect data, symmetric and asymmetric encryption and hashes.

ASA ACL Logging

Article | Oct. 10, 2010

As any network administrator will tell you, the ASA Security appliance (as well as its forerunner, the PIX) are capable of generating massive amounts of log messages, especially when the firewall/security appliance is set to log messages at debug level to the syslog...

Examining IPSec Perfect Forward Secrecy

Article | Sep. 17, 2010

A feature common to IPSec Virtual Private Network implementations throughout the Cisco product line is Perfect Forward Secrecy (PFS). This optional additional component is now a default supplied configuration setting with the Adaptive Security Device Manager (ASDM) I...

Using ASDM with Minimum User Privileges

Article | July 30, 2010

Occasionally as I'm teaching a Cisco training class, I get an idea for a blog post and it happened again this week. The Securing Networks with ASA Fundamentals curriculum is mostly based on the Adaptive Security Device Manager (ASDM). While the class describes the us...

10 Ways Malicious Code Reaches Your Private Network

White Paper | July 13, 2010

Private networks are under constant threat of attack, even when steps have been taken to "secure" them. The large volume of malicious codes, and their ability to evolve and adapt, requires security professionals and common computer/internet users alike to be mindful of their actions and constantly play defense. This white paper focuses on 10 common ways that malicious code can penetrate a network. Knowledge of these methods and the ability to recognize them are the first steps in preventing them from succeeding in harming your network.

Allow or Disallow All IPSec Traffic through the Firewall?

Article | June 02, 2010

The subject of this week’s post was actually prompted by a question from a former colleague.  Soon after the PIX Firewall added support for IPSec Virtual Private Networks, a command was added to the command-line, sysopt connection permit-ipsec. This command was subse...

10 Security Concerns for Cloud Computing

White Paper | March 11, 2010

The flexibility, reduced cost, and mobility of cloud computing have made the concept a hot topic. Before implementing this method of computing, however, it is important to consider the security of the "cloud." In this white paper, you will learn some of the risks and benefits of cloud computing to be sure it is the right solution for you.

Top Ten Things Every DBA Should Know About SQL Server

White Paper | March 04, 2010

Microsoft SQL Server has evolved over the years as a scalable, robust database management system and is now competing in the VLDB (Very Large Database) space with Oracle and IBM. The market share for the product continues to grow, based on total cost of ownership and ease of use. This white paper outlines some of the important fundamentals of Microsoft SQL Server 2008 that every DBA should know.

AnyConnect Syslog Troubleshooting

Article | Feb. 15, 2010

I recently was presented with the challenge of logging ALL of the pertinent connection, disconnection, and termination messages associated with the Cisco SSL AnyConnect client without overwhelming the syslog capture display with extraneous messages. This blog will br...

VPN Connection Process

Article | Jan. 05, 2010

There are some common misconceptions on the part of some of my students as to how VPN sessions are established from either a remote location or remote user to the ASA firewall. In particular, a “gray area” seems to be when the attributes from the tunnel group are app...

“nat-control” versus “no nat-control”

Article | Nov. 24, 2009

ASA and PIX software version 7.0 introduced the configuration command nat-control which didn’t exist in previous versions of code. Although training course material for both the SNAF (Securing Networks with ASA Fundamentals) and SNAA (Securing Networks with ASA Advan...