Overview

Prevent, detect and respond to Ransomware Cyber-attacks - Best Practices and Preventive measures to a full-proof cybersecurity strategy.

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“WanaCrypt0r 2.0” or “WannaCry,” an unprecedented global ransomware cyber-attack recently hit over 200,000 banking institutions, hospitals, government agencies, and other organizations across more than 150 countries. The ransomware encrypted user data, and demanded a payment in bitcoins to unlock the data. The companies that were hit included Telefonica - Spain's largest telecom provider, more than 16 hospitals in England's National Health Service (NHS), US package delivery company – FedEx, and many other high profile targets.

Across the world, cyber-attacks are on the rise. CSO magazine cited the FBI as saying that $209 million had been collected in ransomware payments in the first quarter of 2016 alone. These attacks illustrate how unprepared most organizations are to counter the growing menace of cyber threats. Many large organizations still use unsupported or older versions of software, encounter significant delays in patching vulnerabilities, and perform fewer automated backups, thereby putting themselves at grave risk. As the scale and impact of cyber-attacks grow, it is imperative for CIOs, CISOs, and other business leaders to diligently address basic areas of cybersecurity to avoid disruptions in their critical business operations.

Key Best Practices

Manage software updates systematically

Update old software and ensure that patches are also updated to avoid any weak spots that can be exploited by hackers

Assess and mitigate IT security risks

Align IT security operations with business priorities, and perform periodic IT risk assessments based on vulnerabilities, patch levels, and security policy reviews to ensure a higher state of readiness

Ensure consistent compliance, privacy, and security

Establish security policies or protocols to prevent external threats, and proactively anticipate potential ransomware attacks

Develop contingency plans with regular online backups

Identify the most critical assets, and implement strong periodic backup mechanisms (e.g. cloud-based backups)

Gather threat intelligence

Ensure prior intelligence on threats which can help in patching the vulnerabilities that are most likely to be exploited by cyber criminals

Keeping Cyber Threats In Check

Detecting covert cyber threats lurking in enterprise networks, and orchestrating a common cyber risk taxonomy are integral to an organization’s security blue print. The first step in that direction is to strengthen data governance and accountability by building a centralized repository and consistent taxonomy to manage the cybersecurity areas of compliance, IT assets, IT policies, risks, and controls, as well as the relationships across these data elements.

In addition, an integrated IT GRC solution can be leveraged as a strategic and operational tool to solve complex ransomware and cybersecurity challenges. The solution can help manage and mitigate IT security risks, vulnerabilities, and advanced attack threats by leveraging multiple threat modeling and risk assessment methodologies such as STRIDE, DREAD, and other approaches based on quantitative factors. Pre-built methodologies for IT risk assessments and threat assessments can help organizations improve visibility into the overall IT and cyber risk landscape.

Organizations will also gain from pre-built integrations with leading threat feed providers. By consolidating “early warnings” or notifications from these trusted sources into a searchable database, users receive comprehensive details on each threat, CVE ID, source, affected technologies, controls, threat and patch records, and possible remediation mechanisms. Using this data, users can automatically notify the responsible personnel to proactively address the threats before systems are compromised.

A robust IT GRC solution can also help organizations integrate with patch management solutions, vulnerability scanning devices, and infrastructure management tools to centralize data and assets, classify critical assets, identify issues, and track the vulnerability remediation status on an asset-by-asset basis. The solution can serve as a repository of the latest patches released by various software vendors to mitigate specific vulnerabilities. This data will enable enterprises to prioritize the implementation of patches or workarounds based on the criticality of each asset.

The other benefit of an IT GRC solution is that it can serve as a path to organizational compliance with industry-standard cybersecurity regulations by standardizing and harmonizing control sets across multiple regulations. It can also provide a consolidated view of the status of compliance with cybersecurity standards through a detailed gap report of operating controls that have not been mapped to reference controls as prescribed by the standard. This report will enable organizations to take proactive steps towards closing compliance gaps.

Visualization tools can help users manage and monitor threat and vulnerability trends, as well as the organization’s risk posture, and issues in real time. Configurable dashboards can also help the company view underlying risk data, and gain a complete understanding of the potential impact of these risks on the business.

5-Point Checklist To Assess If Your Organization Has Security Measures In Place To Prevent Cyber And Ransomware Attacks

1. When did you last check if all critical IT and business assets have had their software updated?

2. When did you last restore critical data from a full backup to test your ability to continue business operations?

3. When was the last time your employees were trained on email best practices?

4. When did you last check the threat and vulnerability alerts published by software providers?

5. When did you re-classify your IT assets based on business criticality and risks?

Summary

With ransomware and other cyber-attacks on the rise, it is of utmost importance that organizations of all sizes have the right detection and preventive techniques to proactively counter these attacks. Getting one’s basics right is the first step. A robust backup strategy, coupled with threat or risk assessments, and employee training can go a long way towards preventing cyber-attacks. These small investments can eventually save the organization tens of millions of dollars, as well as its reputation and brand.

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