CISA, FBI, NSA, MS-ISAC Publish Updated #StopRansomware Guide  | CISA (2024)

Updated guide developed through the Joint Ransomware Task Force provides best practices and resources to help organizations reduce the risk of ransomware incidents 

WASHINGTON – The Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), National Security Agency (NSA), and Multi-State Information Sharing and Analysis Center (MS-ISAC) today published the #StopRansomware Guide—an updated version of the 2020 guide containing additional recommended actions, resources, and tools. This publication was produced through the Joint Ransomware Task Force (JRTF), an interagency body established by Congress in 2022 to ensure unity of effort in combating the threat of ransomware attacks.

The #StopRansomware Guide is a one-stop resource to help organizations reduce the risk of ransomware incidents through best practices to detect, prevent, respond, and recover, including step-by-step approaches to address potential attacks.The update incorporates lessons learned from the past two years, including recommendations for preventing common initial access techniques, such as compromised credentials/passwords and advanced forms of social engineering; recommendations to address cloud security backups; and threat hunting tips for detection and analysis.

“With our partners on the Joint Ransomware Task Force, CISA is focused on taking every action possible to support individuals and businesses, including ‘target-rich, cyber-poor’ entities like hospitals and K-12 schools, by providing actionable resources and information. We must collectively evolve to a model where ransomware actors are unable to use common tactics and techniques to compromise victims and where ransomware incidents are detected and remediated before harm occurs,” said Eric Goldstein, Executive Assistant Director for Cybersecurity, CISA. “With our FBI, NSA and MS-ISAC partners, we strongly encourage all organizations to review this guide and implement recommendations to prevent potential ransomware incidents. In order to address the ransomware epidemic, we must reduce the prevalence of ransomware intrusions and reduce their impacts, which include applying lessons learned from ransomware incidents that have affected far too many organizations.”

"The FBI is committed to sharing information with organizations and the public to assist in shoring up network defenses," said Bryan Vorndran, Assistant Director of the FBI's Cyber Division. "We, along with our partners, strive to identify the common tactics techniques and procedures that ransomware actors deploy and are dedicated to using that information to help combat the ransomware epidemic. While the FBI continues to prevent and disrupt cyber attacks we cannot win the fight against ransomware attacks alone: we urge all organizations to implement these recommendations to ensure stronger resiliency for their networks."

“Ransomware tactics have become more destructive and impactful,” said Rob Joyce, NSA Director of Cybersecurity. “Malicious cyber actors are not only encrypting files and asking for ransom, they are also exfiltrating data and threatening victims to release it as a form of extortion. Most importantly, the speed of compromise and impact have increased dramatically, requiring even more effort on the part of defenders. These attacks will only continue evolving into more frequent and more sophisticated ransomware attacks. We need to effectively counter this growing threat.”

“Sharing cybersecurity best practices, in particular those that can help reduce the incidence of ransomware, is important to government organizations at all levels. The Multi-State Information Sharing and Analysis Center (MS-ISAC) is pleased to have been able to participate in the development of this important publication,” said John Gilligan, Center for Internet Security Chief Executive Officer.

The first part of the guide provides comprehensive, relevant, and proven best practices that organizations should continuously implement to help reduce their risk. This section can guide organizations in identifying their critical data and enable forward-leaning actions to mitigate potential ransomware incidents. Part two provides a step-by-step list of actions along with available services and resources for detection and analysis, containment and eradication, and recovery and post-incident activity. This checklist can guide any victim organization through a methodical, measured, and properly managed incident response approach.

With our industry and interagency partners in the Joint Ransomware Task Force, CISA, FBI, NSA and MS-ISAC are working to reduce the prevalence and impact of ransomware attacks. This includes coordination on efforts such as the Pre-Ransomware Notification Initiative and theRansomware Vulnerability Warning Pilot which have made important strides in advancing our collective efforts against ransomware threats.

Every organization, government, and business is encouraged to use the #StopRansomware Guide to ensure that appropriate protections and response plans are in place. Implementing the best practices outlined in this guide can help reduce the risk to and impact of a ransomware incident. For more USG information and resources on preventing and responding to ransomware threats, visit StopRansomware.gov.

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About CISA

As the nation’s cyber defense agency and national coordinator for critical infrastructure security, the Cybersecurity and Infrastructure Security Agency leads the national effort to understand, manage, and reduce risk to the digital and physical infrastructure Americans rely on every hour of every day.

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CISA, FBI, NSA, MS-ISAC Publish Updated #StopRansomware Guide  | CISA (2024)

FAQs

What not to do during a ransomware attack? ›

Don't: Pay the Ransom

Many new victims of ransomware attacks are interested in paying the ransom. They want to get the attack over with and move on with their business. However, this is a bad idea. First, there's no guarantee a hacker will let your systems go after you pay the ransom.

What are the best practices for ransomware response? ›

Best Practices for Ransomware Incident Response

This includes regular cybersecurity training for employees, maintaining up-to-date antivirus and anti-malware software, and conducting routine vulnerability assessments. Having a clear incident response plan is crucial.

What is the immediate response of ransomware? ›

Immediate Response: The First Two Hours

Disconnect backup servers and storage from the network: Modern ransomware infects and encrypts data by seeking out the most crucial backup software installations. Criminals do this to increase the chance that an organization will pay their ransom to get their encrypted data back.

What is a ransomware event? ›

Ransomware is a type of malware that holds a victim's sensitive data or device hostage, threatening to keep it locked—or worse—unless the victim pays a ransom to the attacker.

How long does it take to get rid of a ransomware attack? ›

Ransomware attacks are not just momentary disruptions; they are prolonged battles. Recent data indicates that recovery from ransomware is about 21 days..

What is your best defense against ransomware? ›

10 Best Ransomware Prevention Practices
  1. Backup Your Data. ...
  2. Keep All Systems And Software Updated. ...
  3. Install Antivirus Software & Firewalls. ...
  4. Network Segmentation. ...
  5. Email Protection. ...
  6. Application Whitelisting. ...
  7. Endpoint Security. ...
  8. Limit User Access Privileges.
Apr 29, 2024

Does EDR stop ransomware? ›

Endpoint Detection and Response (EDR) continuously monitors end-user devices to detect and respond to cyber threats like ransomware, malware, and non-malware-based attacks.

Which software will help to defend against ransomware? ›

Bitdefender Antivirus Plus is just what you need, combining an award-winning antivirus engine, a set of features specifically aimed at ransomware protection, and a boatload of security bonus features.

What is the most common way to get infected with ransomware? ›

Ransomware is often spread through phishing emails that contain malicious attachments or through drive-by downloading. Drive-by downloading occurs when a user unknowingly visits an infected website and then malware is downloaded and installed without the user's knowledge.

What is the most common way ransomware is delivered? ›

Some of the most common ways ransomware is delivered are through phishing emails, drive-by downloads, exploit kits and RDP exploits. According to Malwarebytes' 2024 State of Malware report, in 2023 the number of known ransomware attacks increased by 68% from the previous year.

What is the fastest ransomware? ›

Rorschach, a highly sophisticated ransomware strain, stands out most for its ability to encrypt data more quickly than other known strains and evade advanced security detection, according to ransomware researchers and experts.

Does ransomware activate immediately? ›

Unfortunately, a ransomware infection usually doesn't show itself until you see some type of notification, either in a window, an app, or a full-screen message, demanding money to regain access to your PC or files. These messages often display after encrypting your files.

What hacker locks out users? ›

Ransomware is a type of malicious software (malware) that encrypts a user's files and data, effectively locking them out of their computer or system. The attacker then demands a ransom, usually in cryptocurrency, from the victim in exchange for providing the decryption key to unlock the files.

What is BlackSuit ransomware? ›

The BlackSuit group operates a news and leak site on the DarkWeb that includes all the known victims of the threat actors. Once the timer for the ransom payment ends, the exfiltrated data is published.

What is the largest ransomware payout to date? ›

#1 CNA Financials

In March 2021, CNA Financial, a major U.S. insurance company, faced a record-breaking ransomware attack, with a ransom demand of $40 million. The company paid the hackers to regain control after being locked out for two weeks.

What is the first thing to do in ransomware attack? ›

Initial response
  • Isolate affected systems. Because the most common ransomware variants scan networks for vulnerabilities to propagate laterally, it's critical that affected systems are isolated as quickly as possible. ...
  • Photograph the ransom note. ...
  • Notify the security team. ...
  • Don't restart affected devices.
Jan 22, 2024

What is recommended to avoid being a victim of ransomware? ›

Stop clicking any link or attachment in an email unless it is verified that the source can be trusted. Train employees to be suspicious of links and attachments in emails by enrolling them in a training program. The US Cybersecurity & Infrastructure Security Agency (CISA) has some excellent free training materials.

What is the best thing to do when a ransomware attack is detected? ›

Responding to a ransomware attack
  • Rule #1: If at all possible, don't pay the ransom! What you do is up to you, but here are a few things to consider before you consider paying the ransom. ...
  • Isolate and contain. ...
  • Attempt decryption. ...
  • Install anti-malware software. ...
  • Restore. ...
  • Report.

Which of the following are do's in case if infected with ransomware? ›

Safely wipe the infected devices and reinstall the OS. Before you restore from a backup, verify that it is free from any malware. You should only restore from a backup if you are very confident that the backup and the device you're connecting it to are clean.

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