Knowledge
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23.3.2018The challenges of new security protocols
Author: Stojan Rančić
The new protocol version TLS 1.3 allows for safer network communication, while creating new security challenges and concerns. We recommend that you review the security features of your environment before TLS 1.3 becomes widely used.
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09.1.2018What do the Meltdown and Spectre vulnerabilities mean for IT environments?
Author: Stojan Rančić
Who is affected by the Meltdown and Spectre vulnerabilities and how can you protect your IT environment against the attackers?
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08.11.2017How to defend against DDoS attacks?
Author: Srečko Milanič
DDoS attacks are relatively inexpensive and easy to execute, so every organization is a potential target. How to respond against a DDoS and mitigate the threat?
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27.10.2017Critical WPA2 vulnerability: you must update your devices and Wi-Fi infrastructure
Author: Stojan Rančić, Urban Jurca
Hackers can exploit the KRACK attack to intercept encrypted wireless traffic and thereby steal your sensitive information, such as passwords, credit card numbers, personal information, and professional secrets, if those travel through the wireless network unencrypted.
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18.5.2017Let it only be me who is (pen)testing my home network (Part II)
Author: Matevž Mesojednik
I the previous series, I illustrated a few specific weaknesses of badly reputed networking protocol, namely UPnP. But why not evaluate home router’s security posture from the inside and see how well it performs. See where this lead me.
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07.4.2017
Let it only be me who is (pen)testing my home network (Part I)
Author: Matevž Mesojednik
I got challenged the other day, having been given an opportunity to demonstrate some real-world hacks as part of the FRI student's Garage. The desired topic was cyber-attack surface within SOHO environments.
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12.12.2016The Suspicious Seven: A Network Visibility Checklist
What to do when your network is already compromised? This checklist outlines seven of the most common types of network blind spots and suspicious activities that every security team needs to be able to see. If you can’t detect these activities, you are giving threats a place to hide on your network.
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20.10.2016When Sniffer Meets Analytics and Big Data
Author: Robert Turnšek
When IT infrastructures evolve into complex systems full of legacy equipment and services, troubleshooting often turns into arcane magic or a game of whack-a-mole. If you haven't thought about network sniffing and reporting tools, it's high time you do.
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29.10.2014Engineering expertise represented NIL in the best possible light
Ronald Reagan UCLA Medical Center from Los Angeles, USA, was redesigning their network infrastructure. NIL assisted them with upgrading their optical DWDM network and with migration of legacy firewalls to Cisco ASA 5585.
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15.3.2013Virtual firewalls – The Good, the Bad and the Ugly
Author: Ivan Pepelnjak
Ivan Pepelnjak explains the virtual firewalls taxonomy, describes the major architectural options, and illustrates typical use cases with products from few established virtual firewall vendors (Cisco, VMware, Juniper, Vyatta/Brocade) and startups (LineRate Systems, Midokura).
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20.12.2010Less unwanted traffic and a more secure local network
To reduce the potential negative influence of users on the network and decrease unwanted traffic, Krka introduced multiple layers of security mechanisms at the edge of the network.
