CISA Publishes Eviction Guidance for Networks Affected by SolarWinds and AD/M365 Compromise

CISA has released an analysis report, AR21-134A Eviction Guidance for Networks Affected by the SolarWinds and Active Directory/M365 Compromise. The report provides detailed steps for affected organizations to evict the adversary from compromised on-premises and cloud environments. Additionally,...

CISA Emergency Directive 21-03: VPN Vulnerabilities Actively Exploited

On April 20, 2021, the Department of Homeland Security Cybersecurity and Infrastructure Security Agency CISA released an alert on the exploitation of Pulse Connect Secure Vulnerabilities with Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, as well as Emergency Directive ED...

CISA Updates Alert on Pulse Connect Secure

CISA has updated Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, originally released April 20. This update adds a new Detection section providing information on Impossible Travel and Transport Layer Security TLS Fingerprinting that may be useful in identifying malicious...

CISA Emergency Directive 21-03: VPN Vulnerabilities Actively Exploited

On April 20, 2021, the Department of Homeland Security Cybersecurity and Infrastructure Security Agency CISA released an alert on the exploitation of Pulse Connect Secure Vulnerabilities with Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, as well as Emergency Directive ED...

2021. The age of the super vulnerability?

I don’t know about you, but to me it seems that every week we are seeing another vulnerability that not only grants significant access to the vulnerable system but also more widely internally. This last week we have seen the latest round of Microsoft Exchange vulnerabilities. The April 2021 updat...

CISA Issues Emergency Directive on Pulse Connect Secure

CISA has issued Emergency Directive ED 21-03, as well as Alert AA21-110A, to address the exploitation of vulnerabilities affecting Pulse Connect Secure PCS software. An attacker could exploit these vulnerabilities to gain persistent system access and take control of the enterprise network operati...

CISA Releases Alert on Exploitation of Pulse Connect Secure Vulnerabilities

CISA is aware of ongoing exploitation of Ivanti Pulse Connect Secure vulnerabilities compromising U.S. government agencies, critical infrastructure entities, and private sector organizations. In response, CISA has released Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, as...

Introducing “This Month in Patches” Webinar Series

It’s no secret that the number of vulnerabilities is on the rise, and so too are the attempts by hackers to exploit them as quickly as they can. Over the last few years, the average time from vulnerability disclosure to exploit is down to a mere seven days. Organizations therefore need to move...

CISA Releases Supplemental Guidance on Emergency Directive for Microsoft Exchange Server Vulnerabilities

CISA has issued supplemental direction to Emergency Directive ED 21-02: Mitigate Microsoft Exchange On-Premises Product Vulnerabilities providing additional forensic triage and server hardening, requirements for federal agencies. Specifically, this update directs federal departments and agencies ...

CISA Releases Supplemental Direction on Emergency Directive for Microsoft Exchange Server Vulnerabilities

CISA has issued supplemental direction to Emergency Directive ED 21-02: Mitigate Microsoft Exchange On-Premises Product Vulnerabilities providing additional forensic triage and server hardening, requirements for federal agencies. Specifically, this update directs federal departments and agencies ...

TTP Table for Detecting APT Activity Related to SolarWinds and Active Directory/M365 Compromise

CISA has released a table of tactics, techniques, and procedures TTPs used by the advanced persistent threat APT actor involved with the recent SolarWinds and Active Directory/M365 compromise. The table uses the MITRE ATT&CK framework to identify APT TTPs and includes detection recommendations...

Security Advisory: Mitigating the Risk of Microsoft Exchange Zero-Day ProxyLogon Vulnerabilities

Microsoft recently released several security updates for Microsoft Exchange Server to address vulnerabilities that sophisticated nation-state actors are exploiting to exfiltrate critical data from a variety of organizations. Reports suggest attackers have been targeting these vulnerabilities sinc...

Microsoft IOC Detection Tool for Exchange Server Vulnerabilities

Microsoft has released an updated script that scans Exchange log files for indicators of compromise IOCs associated with the vulnerabilities disclosed on March 2, 2021. CISA is aware of widespread domestic and international exploitation of these vulnerabilities and strongly recommends organizatio...

CISA Orders Fed Agencies to Patch Exchange Servers

Hot on the heels of Microsoft’s announcement about active cyber-espionage campaigns that are exploiting four serious security vulnerabilities in Microsoft Exchange Server, the U.S. government is mandating patching for the issues. The news comes as security firms report escalating numbers of relat...

CISA Issues Emergency Directive on In-the-Wild Microsoft Exchange Flaws

Following Microsoft's release of out-of-band patches to address multiple zero-day flaws in on-premises versions of Microsoft Exchange Server, the U.S. Cybersecurity and Infrastructure Security Agency CISA has issued an emergency directive warning of "active exploitation" of the vulnerabilities. T...

CISA Issues Emergency Directive and Alert on Microsoft Exchange Vulnerabilities

CISA has issued Emergency Directive ED 21-02 and Alert AA21-062A addressing critical vulnerabilities in Microsoft Exchange products. Successful exploitation of these vulnerabilities allows an attacker to access on-premises Exchange servers, enabling them to gain persistent system access and contr...

CISA Updates Emergency Directive 21-01 Supplemental Guidance and Activity Alert on SolarWinds Orion Compromise

CISA has released Emergency Directive ED 21-01 Supplemental Guidance version 3: Mitigate SolarWinds Orion Code Compromise, providing guidance that supersedes Required Action 4 of ED 21-01 and Supplemental Guidance versions 1 and 2. Federal agencies without evidence of adversary follow-on activity...

Qualys Security Advisory: SolarWinds / FireEye

Qualys Researchers found Millions of devices exposed to vulnerabilities used in the stolen FireEye Red Team tools and SolarWinds Orion by analyzing the anonymized set of vulnerabilities across Qualys’ worldwide customer base Qualys to offer a free 60-day integrated Vulnerability Management,...

CISA Updates Alert and Releases Supplemental Guidance on Emergency Directive for SolarWinds Orion Compromise

CISA has updated AA20-352A: Advanced Persistent Threat Compromise of Government Agencies, Critical Infrastructure, and Private Sector Organizations, originally released December 17. This update states that CISA has evidence of, and is currently investigating, initial access vectors in addition to...

SolarWinds advanced cyberattack: What happened and what to do now

We learned more about the sophisticated attack first disclosed on December 8 when security firm FireEye reported it had been the victim of a state-sponsored adversary that stole Red Team assessment tools. On December 13 there was a new development when IT company SolarWinds announced it had been...