Post Views: 4,473 In this article I want to visit a “not used enough” Linux tool called logger. As with managing any system, you want to accurately annotate historical events and adding entries into the system log file is a great way to accomplish this. You can view the system log file with this command:
Leveraging the Linux Logger Read More »
Post Views: 3,344 Too many people shrug off Linux for fears of security with a free and open source operating system, even today. For those of us who know that Linux is no less or more secure than any other operating system, we must be sensitive to this and we must be well versed in
Linux Security Focused Commands We All Need to Use Read More »
Post Views: 1,751 From a news channel this evening: “The FBI and CISA are aware of the incident this morning involving fake emails from an @ic.fbi.gov email account,” the FBI said in a statement. “This is an ongoing situation and we are not able to provide any additional information at this time. The impacted hardware
FBI Email System is Hacked Read More »
Post Views: 12,097 2-Day Instructor-Led Hands-On Lab ClassAvailable in either Web-Based Delivery or On-Site DeliveryMinimum 10 Students – Maximum 16 Students Course Description Modern Wi-Fi networks must deliver more than connectivity. They must provide reliable performance while protecting users, devices, and network resources from increasingly sophisticated security threats. The CSI-HO-035 Hands-On Wi-Fi 6 and WLAN
CSI-HO-035 – Wi-Fi 6 and Wi-Fi Security in the Wireless LAN Read More »
Post Views: 7,709 If you have attended any of my presentations of WLAN/Wi-Fi Security or even my Security Courses,you know that the design of WLAN/Wi-Fi networks leaves a lot to be desired when it comes to security. This is also evidenced by the law suit against Amazon with hackers allegedly controlling Ring cameras. I have always
Best Practices for Securing your WLAN/Wi-Fi Network at Home or Small Business Read More »
Example IPv6 Fragmentation Attack
Example IPv6 Fragmentation Attack Read More »
Example IPv6 SYN Flood Attack
Example IPv6 SYN Flood Attack Read More »
Post Views: 12,422 2-Day Instructor-Led Hands-On Lab ClassAvailable in either Web-Based Delivery or On-Site DeliveryMinimum 10 Students – Maximum 16 Students Course Description Wi-Fi is one of the most widely used network access technologies, making wireless security an essential skill for network engineers, broadband technicians, IT professionals, support personnel, and anyone responsible for protecting network
CSI-HO-030 – Hands-On Understanding Security in WLAN/Wi-Fi Networks Read More »
Post Views: 32,383 Practical Network Security, Firewalls, IPSec, SSH, TLS, Scanning, and Wi-Fi Security 2-Day Instructor-Led Hands-On Lab ClassAvailable in either Web-Based Delivery or On-Site DeliveryMinimum 10 students – Maximum 16 students Course Description Network security is an essential skill for anyone responsible for designing, operating, supporting, testing, or troubleshooting IP networks. CSI-HO-029 – Hands-On
CSI-HO-029 – Hands-On Security in IP Networks/Protocols Read More »
Post Views: 3,533 If you attend our WLAN Operations course, one of the things we discuss is Active Scanning. Your system uses your saved Wi-Fi networks to actively scan for those networks (probing). There are potential security risks in this, especially with free networks. Most students conclude they should not remember networks in this way.
Deleting Remembered Wi-Fi Networks in Windows, MacOS, and Linux (Debian) Read More »
Post Views: 12,552 Security of your network is paramount in today’s network centric society. With security breaches increasing in complexity and diversity, assessing the potential security risk and exposure of your corporate assets is vital to management teams. Who should consider us? Our assessment service is targeted at the rural service provider community. Our deep
Security Assessment Services Read More »
Post Views: 6,814 If you have been living in a cave or an island or a mountainside somewhere and have not heard, the new weapon of choice is cyber-security based. Attacking a company by wiping out it’s databases and computer files and/or spreading a virus and/or creating malware seems to be the most lethal and
Searching for the Root of the Network Security Issues Read More »
Post Views: 1,900 Accessing the Internet is almost taken for granted today by most workers. They get very comfortable simply opening the lid to their laptop, turning on the wireless or connecting a cable and having access. For many of our clients, this notion of “open access” has been a continual challenge. On the one
Switch Port Security Usage in Cisco IOS Read More »
Post Views: 1,467 Many people are using VPN technology today to ensure data confidentiality between remote locations. When using a site-to-site type VPN (say between a Router and a Firewall), a common complaint among end users is intermittent delay before VPN traffic is successful. This is usually due to Security Associations (SA) becoming too old
Keeping VPN SA’s Refreshed in Cisco IOS Read More »
Post Views: 2,616 All router administrators need to take whatever security precautions they can to prevent attacks to their systems and networks. While these attacks are a continually moving target, a common attack to IP networks is called IP Spoofing. This is accomplished by sending IP packets into the network with source addresses that appear
IP Spoofing Security Tip in Cisco IOS Read More »
