VMware

Technology Silos: Why and How Engineers Should Drift Out of Their ‘Lanes’

We find ourselves in the midst of a market where technologies are converging and the requirement to provide a complete data center solution always includes multiple disciplines. Furthermore, we used to address the data center through silos in terms of network, storage, servers, virtualization and operating systems, but now the same team must manage most… Continue reading Technology Silos: Why and How Engineers Should Drift Out of Their ‘Lanes’

Cisco

CCNA Cyber Ops – 6.0 Attack Methods

This is the last of a series of posts about the CCNA Cyber Ops certification, you can find the fifth part here. 6.1 Compare and contrast an attack surface and vulnerability: The attack surface of a software environment is the sum of the different points (the “attack vectors”) where an unauthorized user (the “attacker”) can… Continue reading CCNA Cyber Ops – 6.0 Attack Methods

Cisco

CCNA Cyber Ops – 5.0 Security Monitoring

This is part five of a series of posts about the CCNA Cyber Ops certification, you can find the fourth part here. This post presents a few concepts used to help us secure our systems. 5.1 Identify the types of data provided by these technologies 5.1.a TCP Dump: a tool that displays network traffic 5.1.b… Continue reading CCNA Cyber Ops – 5.0 Security Monitoring

Cisco

CCNA Cyber Ops – 3.0 Cryptography

This is part three of a series of posts about the CCNA Cyber Ops certification, you can find the second part here. Essentially in this post, we summarize the basic concepts about cryptography, hash, signatures and algorithms. 3.1 Describe the uses of a hash algorithm A hash function is any function that can be used… Continue reading CCNA Cyber Ops – 3.0 Cryptography

Cisco

UCS B-Series Configuration using the UCS SDK and Python

The Cisco UCS B-Series is a powerful system. I admit that it has a little learning curve to it, but in time I’ve learned to appreciate the way it works. The thing is that after a few deployments you wonder, when are the Cisco engineers going to take usability into consideration? Well, luckily there is… Continue reading UCS B-Series Configuration using the UCS SDK and Python

Cisco

CCNA Cyber Ops – 2.0 Security Concepts

This is part two of a series of posts about the CCNA Cyber Ops certification, you can find the first part here. Essentially in this post, we summarize the basic security concepts needed to understand and become competent with this topic. 2.0 Security Concepts 2.1 Describe the principles of the defense in depth strategy: Defense… Continue reading CCNA Cyber Ops – 2.0 Security Concepts