Visual link analysis with Splunk and Gephi
As cyber-security risks and attacks have surged in recent years, identity fraud has become all too familiar for the common, unsuspecting user. You might wonder, “why don’t we have the capabilities to eliminate these incidents of fraud completely?” The reality is that fraud is difficult to characterize as it often requires much contextual information about what was occurring before, during, and after the event of concern in order to identify if any fraudulent behavior was even occurring at all. Cyber-security analysts therefore require a host of tools to monitor and investigate fraudulent behavior; tools capable of dealing with large amounts of disparate data sets. It would be great for these security analysts to have a platform to be able to …
Improving Visibility in Security Operations with Search-Driven Lookups
Looking back on 2016, Splunk Enterprise Security added significant capabilities to its platform for security operations, including Adaptive Response, User & Entity Behavior Analytics (UEBA) integration and Glass Tables. Another capability that was added, but has received less attention is a new type of search that Splunk calls Search-Driven Lookups. Because there has not been as much attention put to this, I wanted to share a bit about this capability and how it can be used.
Search-Driven Lookups originated from a question that users of legacy SIEM providers often asked; how can Splunk dynamically create watchlists that can then be used in correlating new events against a watchlist? Enterprise Security has had the ability to correlate against a …
Gaze into Splunk’s Crystal Ball for What’s to Come in 2017
Last year, a team of Splunkers came up with several predictions for what 2016 would bring in the fields of IT, security, and big data. This year we’ve done it again, looking into our crystal ball (or industry experience) to share our prophecies for 2017.
But first, let’s look back at some of the hits and misses of what we predicted for 2016.
Behavioral analysis will shift from an emphasis on user credentials to machine-to-machine credentials.
Haiyan Song, our SVP of security markets, predicted that “anomaly detection will become less about analyzing users or entities and more about leveraging machine learning and data science.” While there’s still a way to go, this has begun to come true: As…
How Splunk Can Help You Prevent Ransomware From Holding Your Business Hostage
A group of hackers recently cost Madison County, Indiana $200,000 and another group demanded $73,000 from the San Francisco Municipal Transport Agency (SFMTA) over the Thanksgiving holiday to decrypt frozen data. What was the common factor connecting the two attacks? A popular form of malware known as ransomware.
Why You Should Care About Ransomware
Ransomware is often used to extort funds directly from victims. Ransomware literally takes systems hostage, requiring a “ransom” to free those systems back to a usable state. This can be a very lucrative business for cyber criminals.
Ransomware, like other malware, gets into your network via bad actors who figure out a way to deliver it into your environment without “sounding an alarm” – for example, …
SC16 Conference: Home of the The World’s Fastest Network
You don’t think of High Performance Computing (HPC) everyday but its use in a diverse set of applications such as climate prediction, nuclear labs, oil and gas discovery, defense and aerospace work, financial forecasting and other computational intensive activities touch us in our daily lives. And from November 13 – 18, 2016 Salt Lake City become the home for HPC enthusiasts at the SC16 conference.
What makes this conference different than any other? It happens to be the home for the world’s fastest network, SCinet. It is a high-performance, experimental network that is specifically built for the conference and connecting it to the broader internet. To give you a sense of its capacity, it provides more than 5 Tpbs(!) of internal …
Stop Security Threats With Real-Time Data Monitoring
Imagine having a vast library of books but not being able to see what words live on the page that you are reading or want to read. That would be like being able to ingest security relevant data from a diverse array of data sources but not being able to use that information to monitor your security posture in near real time.Real-time data monitoring is essential to secure an enterprise because it gives security practitioners the ability to monitor and manage the consumption and use of machine data across complex IT and security systems with visual insights into that data. The data can come from sources such as web logs, application usage to digital transactions. Why …
Make Security Incidents Less Scary By Organizing Your Response
The Federal Emergency Management Agency (FEMA) created the National Response Framework in 2008 to organize how the national government responds to natural disasters, terrorist attacks and other catastrophic events. Unfortunately, government resources alone can’t properly respond to disasters. That’s why the framework exists. It helps organize FEMA’s limited resources to respond to threats in the most efficient manner possible.
Similarly, incident response is an organized approach to addressing and managing the aftermath of a security breach or attack. The goal is to best organize alerts and resources within a security information and event management (SIEM) system to handle the situation in a way that limits damage and reduces recovery time and …
Three Ways Machine Data Makes Your SIEM Better at Security
All data is security relevant is a mantra that security practitioners should get used to saying. But knowing what sources you need to tap into to improve your security posture can seem like a daunting task. It doesn’t need to be.
Data sources are a way companies solve the security issues causing them pain or issues that may cause harm. So what exactly is a data source? It can be almost anything from the machine data being generated by your existing firewall to online web logs. Just what data sources you tap into depends on your security use case.
There are already companies that have found unique ways to leverage machine data to work for their specific needs – whether …
Splunk User Behavior Analytics snags CRN’s 2016 Products of The Year Finalist Ranking» Continue reading
SF Muni Hacked. Learn How to Detect Ransomware in Your Environment
Join security expert James Brodsky for our How-to Webinar: Detection of Ransomware and Prevention Strategies on December 13.
SF Muni was hit with a Ransomware attack last week, just as the prime holiday shopping season was kicking off. For many, the free fares for the weekend while Muni assessed the damage probably seemed like a holiday gift or customer service bonus.
But the lost revenues and potential $73K ransom they were asked to pay was no bonus for the IT and security teams.
News of Ransomware attacks are becoming much more common these days, with a reported $209M paid to ransomware criminals in Q1 2016 and the FBI anticipating ransomware to be a $1B source of income for cybercriminals this year.