• CTA: A Trusted Environment

    The Cyber Threat Alliance (CTA) Sharing Model relies on our organization’s status as a trusted environment for all of our private-sector members, as well as public sector and civil society partners. That trust also allows us to do so much more. The fact that all of CTA’s private-sector members have access to the same shared… View Article
  • Stronger Together

    In this blog post, we look at what our members have been saying, through guest blogs and profiles in CTA’s quarterly newsletter, about how we are delivering on the core aspects of our mission: protecting end users, disrupting malicious actors, and elevating overall security. The CTA community knows that we are stronger together. Read on to find… View Article
  • Incident Response Blog: Exploitation of Microsoft Exchange Vulnerabilities

    During recent weeks, cybersecurity providers, businesses, governments, and other organizations have been responding to the publicization of four zero-day vulnerabilities affecting Microsoft Exchange Servers (CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, and CVE-2021-27065). On March 2, Microsoft released emergency, out-of-band security updates to address these vulnerabilities, which affect a number of Microsoft Exchange product versions. Ongoing and escalating exploitation… View Article