4 min
Automation and Orchestration
Preparation Phase of Incident Response Life Cycle of NIST SP 800-61
Synopsis
In the series of articles titled “Incident Response Life Cycle in NIST and ISO
standards” we review incident response life cycle, as defined and described in
NIST and ISO standards related to incident management.
We introduced these standards in the first article in this series
[/2017/01/11/recommendations-for-incident-response-team-included-in-nist-special-publication-800-61/]
.
In previous article in this series
[/2017/01/11/introduction-to-incident-response-life-cycle-of-nist-sp-80
3 min
Automation and Orchestration
The Team Cymru Malware Hash Registry
Synopsis:
Team Cymru’s Malware Hash Registry (MHR) is a useful tool for scanning
suspicious files. It is free for private use and provides an excellent addition
to a comprehensive security plan. It scans the hash of a file against a number
of anti-virus packages and then lets you know if the file has previously been
detected as malware.
Who Are Team Cymru?
Team Cymru is an internet security research group that operate out of Illinois
as a non-profit organization. Cymru is pronounced Kum-ree, wh
3 min
Automation and Orchestration
How to Configure a Basic IPsec Tunnel
Synopsis
I recently started the blog under the tag IPsec. Anyone having background in
this regard would know that this topic is too elaborate to be covered with a
single article. I will be doing a series of articles to touch as many details as
I can. But first things first: you need to know about the basics of IPsec. I
would like to share with you a way to configure an IPsec tunnel under main mode.
Configuration
Please note in advance the following is a precise configuration for when we need
to
5 min
Automation and Orchestration
How to Install Suricata NIDS on Ubuntu Linux
Synopsiss
Suricata is a free and open source fast network intrusion system that can be
used to inspect the network traffic using a rules and signature language.
Suricata is funded by the Open Information Security Foundation
[https://oisf.net/] and used for network intrusion detection, network intrusion
prevention and security monitoring prevention. It is capable of handling
multiple gigabyte traffic, display it on screen and also send alerts through
email. Suricata’s architecture is very similar
5 min
Automation and Orchestration
How To Protect SSH and Apache Using Fail2Ban on Ubuntu Linux
Synopsis
Fail2Ban is a free and open source intrusion prevention software tool written in
the Python programming language that can be used to protects servers from
different kinds of attacks. Fail2Ban works by continuosly monitoring various
logs files (Apache, SSH) and running scripts based on them. Mostly it is used to
block IP addresses that are trying to breach the system’s security. It can be
used to block any IP address that are trying to make many illegitimate login
attempts. Fail2Ban is s
5 min
Automation and Orchestration
Detection and Analysis Phase of Incident Response Life Cycle of NIST SP 800-61
Synopsis
In the series of articles titled “Incident Response Life Cycle in NIST and ISO
standards” we review incident response life cycle, as defined and described in
NIST and ISO standards related to incident management.
We introduced these standards in the first article in this series
[/2017/01/11/recommendations-for-incident-response-team-included-in-nist-special-publication-800-61/]
.
In previous article in this series
[/2017/02/16/preparation-phase-of-incident-response-life-cycle-of-nist-
3 min
Automation and Orchestration
Understanding GRE (2/2)
Synopsis:
In the last post [/2017/01/30/understanding-gre/], I talked about the GRE
tunnels, it’s Class of Service and the Firewall Filters it offers. The next
step is to learn about the simplest way to configure a tunnel between two sites
using GRE. This article aims to give understanding about the Configuration of
GRE Tunnels for Juniper Networks.
Pre-requisites:
Before we go in the actual configuration, here is a checklist that you must have
before configuring your GRE tunnel between sites
3 min
Automation and Orchestration
Basics of IPsec
What is IPsec?
IPsec is a framework of related protocols that secure communications at the
network or packet processing layer. It can be used to protect one or more data
flows between peers. IPsec enables data confidentiality, integrity, origin
authentication and anti-replay.
Why was IPsec created?
There was a dire need of communicating data packets securely over large public
WAN (mainly Internet). The solution was development of many networking protocols
among which IPsec is one of the most de
2 min
Komand
InfoSec Valentines: Show a Security Nerd How Much You Care
It's no secret that we ❤️ security defenders. And while we typically show our
love through helpful insights and technique-driven articles, there's just
something about this time of year that makes us want to display it in an
entirely different fashion.
We present to you infosec valentines! We know this isn't a new phenomenon
[https://twitter.com/search?q=%23infosecvalentines&src=typd], but with all the
doom and gloom that winter brings, creating and sharing infosec valentines got
us excited.
S
4 min
Automation and Orchestration
Fine Tuning Your Intrusion Detection System to Minimize False Positive Alerts
Monitoring and protecting your company’s assets is one of the most important
jobs you can perform. It can be tedious sometimes, but overall it can have the
biggest impact to the business if compromised.
Having alerts set up in your SIEM [https://www.rapid7.com/fundamentals/siem/],
IDS and FIM solutions
[https://www.rapid7.com/solutions/file-integrity-monitoring/] can ultimately
keep you on track. Eliminating false positive results can be a whole different
story. Being able to pick out false pos
3 min
Automation and Orchestration
Understanding Generic Routing Encapsulation (GRE) (1/2)
Synopsis
To transport packets in a private and secure path over a public network, we use
the process of encapsulating packets inside an IP encapsulation protocol. GRE
follows this protocol and sends packets from one network to another through a
GRE tunnel. In this blog, we will understand what is encapsulation, the CoS of
GRE and firewall filters in GRE.
Understanding GRE – Generic Routing Encapsulation
What is encapsulation? The general internal representation of an object or data
or packet is
6 min
IT Ops
5 Rules of Pair Programming Etiquette
I like Pair Programming [https://en.wikipedia.org/wiki/Pair_programming]. I’ve
been doing it episodically for about 10 years. Whenever I’ve pair programmed, at
the end of a session, I’ve always walked away a better developer than when I
started.
However, the practice can be expensive when the pair doing the programming
are not efficient. When a lot of friction exists between the two coders
involved, costs can exceed double that of a single programmer trying to hash
things out on his or her ow
5 min
Komand
How to Automate Response to Endpoint Threats with Sysdig Falco, Splunk, Duo, and Komand
Many security teams use endpoint threat detection solutions to detect and
respond to threats like malware, credential theft, and more. In a common
architecture using a SIEM or Log Management solution, alerts from endpoint
detection products can be managed and correlated with telemetry from other
solutions or logs, and validated:
Generally, a human being has to get involved anywhere from the third step
forward. Can we do better?
Using a typical architecture with a real endpoint threat detecti
5 min
Automation and Orchestration
Two Factor Authentication Methods and Technologies
Synopsis
Authentication is a critical step that forms the basis of trust on the Internet
or any network based transactions. To state simply it verifies that the person
or entity is who they claim to be. However authentication mechanisms are
constantly under attack. Two Factor Authentication is an evolution to counter
these security threats. This tutorial takes a look at various types of
authentication methods and technologies behind them.
Different Types of Authentication Factors
Three distinct
3 min
Komand
The Most Repetitive Tasks Security Analysts Perform
It’s not very productive to come into work day in and day out just to perform
the same task dozens of times when you were trained to hunt threats and
remediate complex problems.
The repetition of rote tasks like IP scoring, alert monitoring, and URL lookups
can be fatiguing and dissatisfying, which, as major security breaches show
[http://www.darkreading.com/attacks-and-breaches/target-ignored-data-breach-alarms/d/d-id/1127712]
, can cause alerts to slip through the cracks and threats to get in