cisa

  1. CISA Warns: Critical Vulnerabilities in Viessmann Vitogate 300 Exposed

    Introduction As we venture deeper into the age of smart homes and interconnected devices, the cybersecurity landscape continues to grow complex and fraught with risks. The recent advisory issued by CISA (Cybersecurity and Infrastructure Security Agency) regarding critical vulnerabilities in...
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  2. CISA Adds New Vulnerabilities: Impact on Windows Users Explained

    The Cybersecurity and Infrastructure Security Agency (CISA) has recently updated its Known Exploited Vulnerabilities (KEV) Catalog by adding three new vulnerabilities. This move is a response to active exploitation evidence and highlights the ongoing challenges within the cybersecurity...
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    • cisa cve-2016-3714 cve-2017-1000253 cve-2024-40766 cybersecurity known exploited vulnerabilities vulnerabilities windows
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  3. New Path Traversal Vulnerabilities: Impact & Remediation Strategies

    Overview of the Newly Added Vulnerabilities The new entries in the catalog include: CVE-2021-20123 - This vulnerability affects the Draytek VigorConnect and is classified as a Path Traversal Vulnerability. It enables attackers to exploit paths to access sensitive data that should otherwise...
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    • cisa cve-2021-20123 cve-2021-20124 cve-2024-7262 cybersecurity data protection federal agencies path traversal remediation strategies vulnerabilities
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  4. CISA Warns of Critical Vulnerabilities in Industrial Control Systems

    On September 5, 2024, the Cybersecurity and Infrastructure Security Agency (CISA) issued four Industrial Control Systems (ICS) advisories that shed light on critical vulnerabilities and security risks associated with various ICS products. These advisories serve to inform users, administrators...
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  5. AA21-336A: APT Actors Exploiting CVE-2021-44077 in Zoho ManageEngine ServiceDesk Plus

    Original release date: December 2, 2021 Summary This joint Cybersecurity Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, Version 9. See the ATT&CK for Enterprise framework for referenced threat actor techniques and for mitigations. This joint...
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    • active directory apt attack techniques cisa critical infrastructure cve-2021-44077 cybersecurity exploitation fbi indicators of compromise it consulting mitigation rce remote code servicedesk threat actor update vulnerability webshells zoho
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  6. AA21-321A: Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities in Furtherance of Malicious Activi

    Original release date: November 17, 2021 Summary Actions to Take Today to Protect Against Iranian State-Sponsored Malicious Cyber Activity • Immediately patch software affected by the following vulnerabilities: CVE-2021-34473, 2018-13379, 2020-12812, and 2019-5591. • Implement Link Removed. •...
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    • apt authentication cisa compromise cybersecurity data exfiltration exploitation fbi fortinet indicators infrastructure iran malware microsoft exchange mitigation patch management protection ransomware threat actors vulnerabilities
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  7. AA21-291A: BlackMatter Ransomware

    Original release date: October 18, 2021 Summary Actions You Can Take Now to Protect Against BlackMatter Ransomware • Implement and enforce backup and restoration policies and procedures. • Use Link Removed. • Use Link Removed. • Implement network segmentation and traversal monitoring. Note...
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    • active directory backups blackmatter cisa credential access critical infrastructure cybersecurity data protection encryption fbi incident response mitigations monitoring network security nsa ransomware system security tactics techniques threat detection
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  8. VIDEO AA21-287A: Ongoing Cyber Threats to U.S. Water and Wastewater Systems

    Original release date: October 14, 2021 Summary Immediate Actions WWS Facilities Can Take Now to Protect Against Malicious Cyber Activity • Do not click on Link Removed. • If you use RDP, secure and monitor it. • Use Link Removed. • Use Link Removed. Note: This advisory uses the MITRE...
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    • cisa cyber hygiene cybersecurity epa exploitation fbi infrastructure insider threats mitigation monitoring nist nsa ransomware remote access scada tactics technical details threats wastewater water systems
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  9. VIDEO AA21-265A: Conti Ransomware

    Original release date: September 22, 2021 Summary Immediate Actions You Can Take Now to Protect Against Conti Ransomware • Use Link Removed. • Segment and segregate networks and functions. • Update your operating system and software. Note: This Alert uses the MITRE Adversarial Tactics...
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    • attack techniques cisa conti credential access cybersecurity data protection exploit fbi incident response malware mitigation multi-factor authentication network security phishing privilege escalation ransomware security updates threat intelligence vulnerabilities windows
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  10. AA21-259A: APT Actors Exploiting Newly Identified Vulnerability in ManageEngine ADSelfService Plus

    Original release date: September 16, 2021 Summary This Joint Cybersecurity Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, Version 8. See the ATT&CK for Enterprise for referenced threat actor tactics and for techniques. This joint advisory is...
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    • adselfservice apt actors authentication bypass cisa critical infrastructure cve-2021-40539 cyber command cybersecurity data exfiltration exploit fbi incident response manageengine mitigations remote code execution security advisory technical details threat actor vulnerability webshells
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  11. AA21-243A: Ransomware Awareness for Holidays and Weekends

    Original release date: August 31, 2021 Summary Immediate Actions You Can Take Now to Protect Against Ransomware • Make an offline backup of your data. • Do not click on Link Removed. • If you use RDP, secure and monitor it. • Link Removed your OS and software. • Use Link Removed. • Use Link...
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    • best practices cisa cyber criminals cyber hygiene cyber trends cybersecurity data backup fbi incident reporting incident response it security malware multi-factor authentication network defense phishing ransomware remote desktop protocol threat awareness threat hunting vulnerability
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  12. AA21-209A: Top Routinely Exploited Vulnerabilities

    Original release date: July 28, 2021 Summary This Joint Cybersecurity Advisory was coauthored by the U.S. Cybersecurity and Infrastructure Security Agency (CISA), the Australian Cyber Security Centre (ACSC), the United Kingdom’s National Cyber Security Centre (NCSC), and the U.S. Federal Bureau...
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    • advisory cisa cloud security cve cybersecurity exploitation fbi incident response malware microsoft network security patch patch management ransomware remote code execution security updates threat actors vpn vulnerabilities
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  13. AA21-201A: Chinese Gas Pipeline Intrusion Campaign, 2011 to 2013

    Original release date: July 20, 2021 Summary This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, Version 9. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. Note: CISA released technical information...
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    • chinese actors cisa cyberattacks cybersecurity data protection exfiltration fbi ics indicators infrastructure intrusion malware mitigations natural gas phishing pipeline security scada spearphishing threat actors ttps
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  14. AA21-200B: Chinese State-Sponsored Cyber Operations: Observed TTPs

    Original release date: July 19, 2021 Summary This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, Version 9, and MITRE D3FEND™ framework, version 0.9.2-BETA-3. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques...
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    • chinese cyber operations cisa credential access cyber intelligence cybersecurity data exfiltration exploitation fbi government advisory incident response information security lateral movement malware mitre att&ck national security network security tactics techniques threat actors vulnerabilities
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  15. AA21-148A: Sophisticated Spearphishing Campaign Targets Government Organizations, IGOs, and NGOs

    Original release date: May 28, 2021 Summary The Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) are responding to a spearphishing campaign targeting government organizations, intergovernmental organizations (IGOs), and non-governmental...
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    • apt29 cisa cobalt strike compromise cybersecurity detection email security emerging threats fbi government incident response indicators iso file malware mitigations phishing risk management spearphishing threat actor user training
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  16. VIDEO AA21-131A: DarkSide Ransomware: Best Practices for Preventing Business Disruption from Ransomware Attacks

    Original release date: May 11, 2021 Summary This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, Version 9. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. The Cybersecurity and Infrastructure Security...
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    • access control business resilience cisa critical infrastructure cybersecurity darkside data backup encryption fbi incident response it security malware mitigations network segmentation phishing prevention ransomware technical details threat actor user training
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  17. AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities

    Original release date: April 20, 2021 Summary The Cybersecurity and Infrastructure Security Agency (CISA) is aware of compromises affecting U.S. government agencies, critical infrastructure entities, and other private sector organizations by a cyber threat actor—or actors—beginning in June 2020...
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    • cisa credential harvesting cyber threat cybersecurity exploit incident response integrity tool ivanti malware mitigations network security password management patch management pulse connect secure rce vulnerability security advisory software update threat actor vulnerabilities webshells
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  18. VIDEO AA21-077A: Detecting Post-Compromise Threat Activity Using the CHIRP IOC Detection Tool

    Original release date: March 18, 2021 Summary This Alert announces the CISA Hunt and Incident Response Program (CHIRP) tool. CHIRP is a forensics collection tool that CISA developed to help network defenders find indicators of compromise (IOCs) associated with activity detailed in the following...
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    • apt chirp cisa communication companion tool compromise forensic analysis forensics guidance incident response indicators of compromise malware network defense security siem solarwinds threat activity threat detection windows yara
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  19. AA21-076A: TrickBot Malware

    Original release date: March 17, 2021 Summary This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. The Cybersecurity and Infrastructure Security Agency...
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    • antivirus attacks cisa command and control credential theft cybersecurity data exfiltration email security fbi malware mitigation mitre att&ck network security phishing social engineering spearphishing threat intelligence trickbot trojan windows
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  20. AA21-055A: Exploitation of Accellion File Transfer Appliance

    Original release date: February 24, 2021 Summary This joint advisory is the result of a collaborative effort by the cybersecurity authorities of Australia,[Link Removed] New Zealand,[2] Singapore,[3] the United Kingdom,[4] and the United States.[Link Removed][6] These authorities are aware of...
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    • accellion cisa cyber actors cybersecurity data theft end-of-life exploitation extortion file sharing file transfer incident response iocs malware mitigation patch remediation security advisory sql injection vulnerabilities zero-day
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