Instruct: Given a question, retrieve documents that can help answer the question.
Query: What is splunking?
Caving – also traditionally known as spelunking in the United States and Canada and potholing in the United Kingdom and Ireland – is the recreational pastime of exploring wild (generally non-commercial) cave systems. In contrast, speleology is the scientific study of caves and the cave environment.[1]
Splunk Enterprise Security (ES) is a security information and event management (SIEM) solution that provides insight into machine data generated from security technologies such as network, endpoint, access, malware, vulnerability and identity information. Its a premium application that is licensed independently from Splunk core.
Splunk's core offering collects and analyzes high volumes of machine-generated data. It uses a standard API to connect directly to applications and devices. It was developed in response to the demand for comprehensible and actionable data reporting for executives outside a company's IT department.
On April 9, 2018 Splunk acquired Phantom Cyber Corporation for approximately US$350 million. 
Splunk's mission is to make machine data accessible across an organization by identifying data patterns, providing metrics, diagnosing problems, and providing intelligence for business operations. Splunk is a horizontal technology used for application management, security and compliance, as well as business and web analytics. As of early 2016, Splunk has over 10,000 customers worldwide.
Splunk is based in San Francisco, with regional operations across Europe, the Middle East, Africa, Asia, and Australia.
Sullivan joined Splunk as CEO in 2008, replacing co-founder Michael Baum in the role, and led Splunk through its initial public offering in 2012. During his tenure at Splunk, the company grew from 750 to more than 10,000 customers, and from $18 million of annual revenue to nearly $600 million. Sullivan advocated for hiring more women within Splunk leadership and the technology sector as a whole. He retired from the CEO position in November 2015, and was succeeded by Splunk SVP Doug Merritt. He continues to serve as Chairman of Splunk's Board of Directors.
In 2011, Splunk released Splunk Storm, a cloud-based version of the core Splunk product. Splunk Storm offered a turnkey, managed and hosted service for machine data. In 2013, Splunk announced that Splunk Storm would become a completely free service and expanded its cloud offering with Splunk Cloud. In 2015, Splunk shut down Splunk Storm.
In 2016, Google announced its cloud platform will integrate with Splunk to expand in areas like IT ops, security, and compliance. The company also announced additional machine learning capabilities for several of its major product offerings, which are installed on top of the platform.
Splunk Inc. is an American multinational corporation based in San Francisco, California, that produces software for searching, monitoring, and analyzing machine-generated big data, via a Web-style interface.
In October 2015 Splunk sealed a "cybersecurity alliance" with U.S. government security contractor Booz Allen Hamilton Inc. to offer combined cyberthreat detection and intelligence-analysis technology.
Integrations on Splunkbase include the Splunk App for New Relic, the ForeScout Extended Module for Splunk, and Splunk App for AWS.
In 2013, Splunk announced a product called Hunk: Splunk Analytics for Hadoop, which supports accessing, searching, and reporting on external data sets located in Hadoop from a Splunk interface.
By 2007 Splunk had raised ; it became profitable in 2009. In 2012 Splunk had its initial public offering, trading under NASDAQ symbol SPLK.
Continuing to explore the possibilities of advancing an understanding of chaotic systems, Baum began to explore the application of search technology to large-scale machine data. Reconnecting with Rob Das and Erik Swan in 2003, the three co-founded Splunk. Their goal was to build a search engine for real-time flows and massive historical corpuses of machine data. Splunk was the sixth startup for Baum and the first pure-play big data company to reach significant customer and revenue scale and debut on the public markets. Baum, Das and Swan and their team at Splunk have been awarded two US Patents for their work.
Michael was Splunk's founding CEO for the first six years and he raised $40M in venture capital financing from August Capital Seven Rosen Funds, JK&B Capital and Ignition Partners.
In 2015, Splunk announced a Light version of the core Splunk product, aimed at smaller IT-environments and mid-sized enterprises. Splunk debuted Splunk IT Service Intelligence (ITSI) in September 2015. ITSI leverages Splunk data to provide visibility into IT performance. Software analytics can detect unusual behavior and determine its causes and the areas it affects.
According to Glassdoor, it is the fourth highest-paying company for employees in the United States as of April 2017.
In 2016, Splunk pledged to donate $100 million in software and support for nonprofits and schools over a 10-year period.
Splunk apps and add-ons can be developed by anyone, including Splunk themselves.
In October 2017, Splunk acquired certain technology and intellectual property assets from smaller rival Rocana.
His sister, Adele Kenny Sweetwood, is a Marketing Executive at Splunk in San Francisco.
Michael Baum, Rob Das and Erik Swan co-founded Splunk Inc in 2003. Venture firms August Capital, Seven Rosen, Ignition Partners and JK&B Capital backed the company.
In 2018, Splunk introduced Splunk Industrial Asset Intelligence, which extracts information from IIoT(Industrial Internet of Things) data from various resources and presents its users with critical alerts.
 introduced connection for splunk ( www.splunk.com) and isyVmon
On June 11, 2018 Splunk announced its acquisition of VictorOps, a DevOps incident management startup, for US$120 million.