Weak Security Controls And Practices Routinely Exploited For Initial Access | Cisa – Us-Cert

Weak Security Controls and Practices Routinely Exploited for Initial Access | CISA – US-CERT

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Best Practices to Protect Your Systems:
• Control access.
• Harden Credentials.
• Establish centralized log management.
• Use antivirus solutions.
• Employ detection tools.
• Operate services exposed on internet-accessible hosts with secure configurations.
• Keep software updated.
Cyber actors routinely exploit poor security configurations (either misconfigured or left unsecured), weak controls, and other poor cyber hygiene practices to gain initial access or as part of other tactics to compromise a victim’s system. This joint Cybersecurity Advisory identifies commonly exploited controls and practices and includes best practices to mitigate the issues. This advisory was coauthored by the cybersecurity authorities of the United States,[1],[2],[3] Canada,[4] New Zealand,[5],[6] the Netherlands,[7] and the United Kingdom.[8]
Download the PDF version of this report (pdf, 430kb).
Malicious actors commonly use the following techniques to gain initial access to victim networks.[TA0001]
Malicious cyber actors often exploit the following common weak security controls, poor configurations, and poor security practices to employ the initial access techniques.
Applying the following practices can help organizations strengthen their network defenses against common exploited weak security controls and practices.
[1] United States Cybersecurity and Infrastructure Security Agency 
[2] United States Federal Bureau of Investigation
[3] United States National Security Agency
[4] Canadian Centre for Cyber Security 
[5] New Zealand National Cyber Security Centre 
[6] New Zealand CERT NZ
[7] Netherlands National Cyber Security Centre
[8] United Kingdom National Cyber Security Centre 
[9] White House Executive Order on Improving the Nation’s Cybersecurity
[10] NCSC-NL Factsheet: Prepare for Zero Trust
[11] NCSC-NL Guide to Cyber Security Measures
[12] N-able Blog: Intrusion Detection System (IDS): Signature vs. Anomaly-Based
[13] NCSC-NL Guide to Cyber Security Measures
[14] National Institute of Standards and Technology SP 800-123 – Keeping Servers Secured
U.S. organizations: To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov. To report computer intrusion or cybercrime activity related to information found in this advisory, contact your local FBI field office at www.fbi.gov/contact-us/field, or the FBI’s 24/7 Cyber Watch at 855-292-3937 or by email at CyWatch@fbi.gov. For NSA client requirements or general cybersecurity inquiries, contact Cybersecurity_Requests@nsa.gov
Canadian organizations: report incidents by emailing CCCS at contact@cyber.gc.ca
New Zealand organizations: report cyber security incidents to incidents@ncsc.govt.nz or call 04 498 7654. 
The Netherlands organizations: report incidents to cert@ncsc.nl
United Kingdom organizations: report a significant cyber security incident: ncsc.gov.uk/report-an-incident (monitored 24 hours) or, for urgent assistance, call 03000 200 973.
The information you have accessed or received is being provided “as is” for informational purposes only. CISA, the FBI, NSA, CCCS, NCSC-NZ, CERT-NZ, NCSC-NL, and NCSC-UK do not endorse any commercial product or service, including any subjects of analysis. Any reference to specific commercial products, processes, or services by service mark, trademark, manufacturer, or otherwise, does not constitute or imply their endorsement, recommendation, or favoring.
This document was developed by CISA, the FBI, NSA, CCCS, NCSC-NZ, CERT-NZ, NCSC-NL, and NCSC-UK in furtherance of their respective cybersecurity missions, including their responsibilities to develop and issue cybersecurity specifications and mitigations. This information may be shared broadly to reach all appropriate stakeholders. 
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