Businesses of all types and sizes stand to benefit greatly from the Internet of Things (IoT), with a wealth of intelligence for planning, management, policy, and decision-making that will help them maximize productivity and efficiency while minimizing costs. However, if not properly protected by integrating it with a solid network security solution, the consequences can be devastating. Read More »
Network Solutions is a domain name registrar that manages over 6.6 million domains. As of July 16, 2013, the Network Solutions website is under a Distributed Denial of Service (DDoS) attack. Recently, Network Solutions has been a target for attackers; in a previous outage, domain name servers were redirected away from their proper IP addresses. This was reported to be a result of a server misconfiguration while Network Solutions was attempting to mitigate a DDoS attack. It is possible that the DDoS attacks are related.
According to isitdownrightnow.com, the Network Solutions site has been having issues for at least the last 24 hours.
I see and hear a variety of acronyms being used on a daily basis. I recently heard one tossed around with good humor that makes a point: TMA or Too Many Acronyms. Every once in a while, when I think I’ve embedded the definition and use of an acronym into my long-term memory (anything beyond an extended weekend), it seems as if either a new acronym was spawned, or it has been overloaded with a different meaning. My goal in this blog post is offer both a refresher on some topical acronyms that appear to be quite commonly circulated in security technology circles and media outlets. It is challenging to be a subject matter expert in every aspect of cyber security. Whether you are reading an article, joining a conversation or preparing for a presentation or certification in the realm of cyber security, you may not be completely perplexed by these acronyms when you come across them and become more familiar with them. For situational purposes, I organized the acronyms into categories where I have seen them used frequently and included related links for each of them.
AAA: Authentication, Authorization, and Accounting. This is a set of actions that enable you to control over who is allowed access to the network, what services they are allowed to use once they have access, and track the services and network resources being accessed.
ACL/tACL/iACL/VACL/PACL: Access Control List. ACLs are used to filter traffic based upon a set of rules that you define. For ACLs listed with a prefix (for example, t=transit, i=infrastructure, V=VLAN (Virtual Local Area Network), P=Port)), these ACLs have special purposes to address a particular need within the network.
FW/NGFW/FWSM/ASASM: Firewall/Next Generation Firewall/Firewall Service Module/Adaptive Security Appliance Services Module. These products provide a set of security features designed to govern the communications via the network. Cisco provides firewall features as a dedicated appliance or hardware module that can be added to a network device such as a router.
IPS: Intrusion Prevention System. Typically, this is a network appliance that is used to examine network traffic for the purposes of protecting against targeted attacks, malware, and application and operating system vulnerabilities. In order to ensure the effectiveness of a Cisco IPS device, it should be maintained using Cisco’s IPS subscription service.
DNSSEC: Domain Name System (DNS) Security Extensions. That’s right, we have an acronym within an acronym. These are the specifications for security characteristics that make it possible to verify the authenticity of information stored in DNS. This validation makes it possible to provide assurances to resolvers that when they request a particular piece of information from the DNS, that they receive the correct information published by the authoritative source. Read More »
Join us at Black Hat 2013 in Las Vegas this July, for our two-day hands-on Network Threat Defense, Countermeasures, and Controls course. Courses will be offered on July 27-28 and July 29-30, and attendees will learn and perform two network security roles. First, as a Security Practitioner, you’ll learn to secure and harden network infrastructure devices, and second, as a Security Incident Response Investigator, you must correctly detect, classify, and mitigate threats attacking a network by configuring and deploying advanced network threat defenses and countermeasures. Learning these roles will help you prepare for and respond to real world threats such as the recent Financial Services, SpamHaus, and OpUSA Denial of Service Attacks. Read More »
In the days leading up to #OpUSA, security professionals were busy making preparations for the supposed flood of new attacks coming on 7 May 2013. As we mentioned on 1 May 2013, publicly announced attacks of this nature can have highly volatile credibility. In some cases, the announcements exist only for the purpose of gaining notoriety. In other cases, they are enhanced by increased publicity. By 4 May 2013, speculation arose that #OpUSA was a trap; this likely caused some potential participants to rethink their plans to join. Posts similar to the one below were made on Twitter, Facebook, and YouTube. Read More »