Network & Wireless Blog for professionals

Cisco ASA EoL EoS – what does EoL / EoS status of Cisco products mean, what does it mean for Cisco ASA lines and could be a replacement line of product?

End-of-life (EoL) is a general term used when the vendor plans to cease the production of a certain product or product line. Taking into account that millions of end clients around the world might be using the product, the EoL comes with a group of milestones that all together form the End of Live of […]

Investments in cyber-security are gaining importance more than ever before, and taking care of network security, access, users and data is no longer just a matter of responding to ad hoc threats when they appear. A new reality, where many processes happen virtually or in a cloud environment, requires proactive steps towards achieving effective protection […]

Migrating to a data & service cloud is a thing that resembles a gigantic cargo rolling stock gaining momentum. Its inception is already very far behind us, and currently we’re at a point, where this monstrosity of scrap metal has accelerated so much that it’s impossible to stop. It still picks up speed, grows stronger, […]

There is no need to convince anyone of the fact that phishing is one of the most widespread methods of attacks on enterprises. The Data Breach Investigation Report 2022 from Verizon shows that phishing is the second greatest (after login credential theft) threat for companies.  It’s worth asking yourself, is there a mechanism that preempts […]

Before the era of UTM (Unified Threat Management or next-generation firewall), we most often dealt with stateful firewall devices. The principle of operation of the stateful firewall is primarily operating on the headers of the third network layer (L3) and the fourth transport layer (L4) of the OSI model. Thanks to the understanding of headers […]

According to Verizon in their 2022 report, over 82% of security incidents were related to human-side negligence, such as password leaks or phishing. Moreover, passwords being stolen have various lengths and degrees of complexity. Considering the scale and improvements in methods used by malicious actors, it’s not that difficult to see even a strong password […]

Why is it important to take a comprehensive approach to secure the Internet interfaces, instead of focusing on one area, e.g. a firewall?   In this article, we will take a shot at answering this question, showing potential Internet interfaces that can be critical in case of attack. You will learn what firewall network security is […]

When dealing with networks, both wired and wireless, we can’t fail to mention the security issue. In the case of wireless networks, many users are unaware of the hazards lurking when switching between networks and using unprotected, unverified wireless networks. This article will answer your questions on securing the Wi-Fi network and making it resistant […]

To check whether a given IT infrastructure is resilient, and its LAN security strong, first, we need to run audits and penetration tests. While performing these, we use various protection breaching techniques to access the company’s resources. One of the basic tests is an attempt to obtain as much information as possible at a local […]