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Challenges to Cyber Security & How Big Data Analytics Can Help

As the complexity of IT networks has grown, the inventiveness and sophistication of cyber security threats and attacks has grown just as quickly. Some sobering stats:

Key Challenges to Combating Cyber Security Threats

As malware attacks increase in volume and complexity, it’s becoming more difficult for traditional analytic tooling and infrastructure to keep up thanks to:

  • Data volume: For example, every day at SophosLabs, over 300,000 new potentially malicious files that require analysis are reported.
  • Scalability: SQL-based tooling and infrastructure doesn’t scale well and is costly to maintain. This Dataconomy post on SQL vs. NoSQL, What You Need to Know is a good primer on why that is and more.

Big Data Analytics as a Path Forward

The good news is companies and key analyst firms are recognizing that these challenges can be overcome with big data analytics and modern BI platforms. Analyst firms have been writing reports and advising their clients about the impacts of big data analytics on cyber security across industries:

  • IDC identifies cloud and big data analytics will prevent cyber threats against health organizations
  • Gartner says by 2016, 25 percent of large global companies will have adopted big data analytics for at least one security or fraud detection use case
  • Ovum advises enterprises to use big data to fight security threats

Learn From Someone Who’s Already Turned to Big Data Analytics

So who’s been there, done that, and what can you learn from them? Sophos, who began producing antivirus and encryption products nearly 30 years ago, now helps secure the networks used by 100 million people in 150 countries and 100,000 businesses using big data analytics. Today, big data analytics  is integral to Sophos’ daily malware detection in multiple use cases:

  1. Malware research and analysis. Malware is becoming more evasive and pervasive. Sophos analyzes the characteristics of suspicious files and report the analysis outcome.
  2. Macro trend analysis. Sophos analysts also analyze the data for macro trends of malware movements to better understand and anticipate the direction of the threat landscape.
  3. Measuring detection performance. Analyzing statistics on the performance of malware detection to understand which protection technology is providing us the most value.

As the complexity of IT networks has grown, the inventiveness and sophistication of threats and attacks has grown just as quickly. Industry statistics show that over a million new malware are produced daily. The good news is, even the most skilled perpetrators leave digital footprints that can be discovered with the right analytics.

Sophos began producing antivirus and encryption products nearly 30 years ago. The company helps secure the networks used by 100 million people in 150 countries and 100,000 businesses. As IT networks grow in complexity, Sophos’ mission is to keep IT security simple and reliable.

Challenge
Malware is constantly being created and brought to market. Sophos products examine billions of events per day to detect malicious files. Each day, over 300,000 new potentially malicious files are reported to SophosLabs and require analysis.

The Sophos threat research analysts need to analyze these newly suspicious files to determine if they truly are threats. An automated analysis process produces a large set of metadata for each file, generating many millions of records every day. As the volume and complexity of the data grew, their old analytic infrastructure could not keep pace.

Another challenge came in a form of cloud telemetry data consisting of billions of lookups for website and file information. A particular aspect of the analysis – correlating patterns across previous analysis – had become too complex for their SQL-based database and analytic tools to manage.

Dmitry Samosseiko, Director of Global Threat Research, states, “Our SQL solution did not scale well with the growing volume of data and it was becoming costly to maintain. It couldn’t ingest all the data, so we tried to filter and aggregate the data first, but it was tricky and difficult to decide what to filter out and what to keep. The bigger the database got, the slower the queries became. Threat data correlation became a slow and painful process.”

Sophos investigated NoSQL technologies available at the time and selected Hadoop for big data analytics needs related to telemetry and threat correlation. Unfortunately, out-of-the-box Hadoop was lacking any enterprise-ready tools for creating analytic reports, dashboards, data access controls or mechanisms to easily import or export data in and out of various storage systems. It was going to take a great deal of time and expertise to build out the ecosystem–time and resources to fill the gap.

Solution
Sophos required an analytic platform that would combine the best of everything they needed – an infrastructure which leveraged Hadoop for power and scalability, while abstracting the technical complexity so their analysts could be productive. In Datameer they found:

• A scalable analytic infrastructure built natively on Hadoop
• An Excel-like workbook interface that was very familiar to analysts
• Powerful analytic functions that could be applied to data using pointand-click operations in an easy to use user interface
• Easy data connectivity and integration that could combine the variety of data sources and formats they required

With Datameer, the Sophos’ team was able to ramp up quickly without becoming Hadoop experts. Threat researchers and malware analysts use Datameer to analyze data from multiple sources, including its Threat Telemetry (reputation queries), threat feeds (urls, hashes, etc.), product feedback, and other imported datasets. In addition to comparing file samples to the millions of known malware, analysts are canvassing the threat landscape to identify new malware and stop it.

“We needed a solution that can handle a lot of data but also allow many people in our company to use it,” says Dimitry. “Our researchers and analysts don’t want to write code or have to rely on system developers to do their job. Datameer’s point-and-click functionality removes these bottlenecks.”

Analyzing billions of rows per day, or 2-3 TB per month, analysts built algorithms in Datameer workbooks to automatically analyze log data and detect anomalous trends. As Dimitry states, “We need to look at patterns and trends that we haven’t seen before, and Datameer is really valuable to us for this ad-hoc analysis and reporting.”

As a Data Scientist, Madeline Schiappa is analyzing silent detections at Sophos. Using Datameer every day to run jobs analyzing basic telemetry data on billions of logs, Madeline states, “It’s not just one use case, but a lot of little ones added up together that makes Datameer valuable.”

Results
With Datameer, Sophos no longer needed to filter or aggregate its data, resulting in better insights and faster detection of malware and security breaches. Datameer is integral to Sophos’ daily malware detection in multiple use cases:

1. Malware research and analysis. Malware is becoming more evasive and pervasive. Sophos analyzes the characteristics of suspicious files and report the analysis outcome.
2. Macro trend analysis. Sophos analysts also analyze the data for macro trends of malware movements to better understand and anticipate the direction of the threat landscape.
3. Measuring detection performance. Analyzing statistics on the performance of malware detection to understand which protection technology is providing us the most value.

“Datameer changed the world for us,” says Dimitry. “The best value we got out of it was not just ease of use but empowering any of the researchers globally to mine the data without having to learn how to code, build special UIs, or embark on a steep learning curve.”

While Sophos began with threat research and malware analyst team, product and development managers also started using Datameer. It helps them understand product version usage and ramp up.

Source: https://datameer-wp-production-origin.datameer.com/company/datameer-blog/challenges-to-cyber-security-and-how-big-data-analytics-can-help/

October 17, 2016

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