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Preliminary Post Incident Review (PIR): Content Configuration Update Impacting the Falcon Sensor and the Windows Operating System (BSOD) Updated 2024-07-25 1900 UTC Executive Summary PDF This is CrowdStrike’s preliminary Post Incident Review (PIR). We will be detailing our full investigation in the forthcoming Root Cause Analysis that will be released publicly. Throughout this PIR, we have used ge
What Happened? On July 19, 2024 at 04:09 UTC, as part of ongoing operations, CrowdStrike released a sensor configuration update to Windows systems. Sensor configuration updates are an ongoing part of the protection mechanisms of the Falcon platform. This configuration update triggered a logic error resulting in a system crash and blue screen (BSOD) on impacted systems. The sensor configuration upd
Valued Customers and Partners, I want to sincerely apologize directly to all of you for today’s outage. All of CrowdStrike understands the gravity and impact of the situation. We quickly identified the issue and deployed a fix, allowing us to focus diligently on restoring customer systems as our highest priority. The outage was caused by a defect found in a Falcon content update for Windows hosts.
Updated 2024-07-25 1954 UTC Using a week-over-week comparison, greater than 97% of Windows sensors are online as of July 24 at 5pm PT, compared to before the content update. Content Configuration Update Impacting the Falcon Sensor and the Windows Operating System (BSOD) Executive Summary PDF This is CrowdStrike’s preliminary Post Incident Review (PIR). We will be detailing our full investigation i
34 newly named adversaries in 2023 2 min 7 sec — the fastest recorded eCrime breakout time 75% increase in cloud intrusions Tracking 245+ adversaries and noting a record eCrime breakout time, the 2024 Global Threat Report unveils an alarming rise in covert activity and a cyber threat landscape dominated by stealth. Significant threat gains in data theft, cloud breaches, and malware-free attacks, s
On Jan. 15, 2022, a set of malware dubbed WhisperGate was reported to have been deployed against Ukrainian targets. The incident is widely reported to contain three individual components deployed by the same adversary, including a malicious bootloader that corrupts detected local disks, a Discord-based downloader and a file wiper. The activity occurred at approximately the same time multiple websi
We recently integrated new functionality into our CrowdStrike Falcon® sensor that was implemented in Rust. Rust is a relatively young language with several features focused on safety and security. Calling Rust from C++ was relatively straightforward, but one stumbling block we’ve run into is how Rust deals with out-of-memory (OOM) conditions. Let’s start by defining what we mean by “out of memory”
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View your global threat landscape below organized by eCrime, hacktivism, and nation states based on origin country. Map will show adversaries active within the past 90 days.
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Cutwail Spam Campaign Uses Steganography to Distribute URLZone CrowdStrike® CrowdStrike Falcon® Intelligence™ has observed a new Cutwail spam campaign from NARWHAL SPIDER on 24 October 2018. NARWHAL SPIDER is the adversary name designated by Falcon Intelligence for the criminal operator of Cutwail version 2. NARWHAL SPIDER primarily provides spam services with a large customer base that has includ
Protect Your Weakest Link: New Account Linking Capabilities Use AI to Thwart Identity-Based Attacks
Hiding in Plain Sight: Using the Office 365 Activities API to Investigate Business Email Compromises Update: While this blog post originally covered the Office 365 Activities API, that functionality has been disabled by Microsoft as of Friday, June 6, 2018. However, there are still data sources available within O365 to help investigate business email compromises (BECs). Please stay tuned for an up
CrowdStrike® Falcon LogScale™ The world’s leading AI-native platform for SIEM and log managementRapidly shut down threats with real-time detections, blazing-fast search, and cost-effective data retention. See Falcon LogScale in actionWe've always said, "You don’t have a malware problem, you have an adversary problem." Discover how to detect, investigate and hunt for advanced adversaries with Falco
Danger Close: Fancy Bear Tracking of Ukrainian Field Artillery Units Update – As of March 2017, the estimated losses of D-30 howitzer platform have been amended. According to an update provided by the International Institute for Strategic Studies (IISS) Research Associate for Defence and Military Analysis, Henry Boyd, their current assessment is as follows: “excluding the Naval Infantry battalion
CrowdStrike’s work with the Democratic National Committee: Setting the record straight June 5, 2020 UPDATE Blog update following the release of the testimony by Shawn Henry, CSO and President of CrowdStrike Services, before the House Intelligence Committee that was recently declassified. What was CrowdStrike’s role in investigating the hack of the DNC? CrowdStrike was contacted on April 30, 2016 t
U.S. Department of Justice Indicts Hacktivist Group Anonymous Sudan for Prominent DDoS Attacks in 2023 and 2024
Deep in Thought: Chinese Targeting of National Security Think Tanks For some time now, CrowdStrike has been working with a number of national security think tanks and human rights organizations on a pro bono basis to help them with their security posture. These organizations face some of the most advanced nation-state adversaries — China, Russia, and Iran, just to name a few. The individuals who a
This week we’re back to our old friends with a Chinese nexus. To recount the last few weeks of our adversary blog posts, we first introduced Anchor Panda, an adversary we attribute to China and associate with the PLAN. We then moved on to another Chinese adversary we dubbed Numbered Panda to highlight the issue of community naming for adversaries and the lack of a common lexicon for characterizing
CrowdStrike + Fortinet: Two leaders, next-level threat defense Learn more
On Tuesday, November 13, 2012, a previously unknown Linux rootkit was posted to the Full Disclosure mailing list by an anonymous victim. The rootkit was discovered on a web server that added an unknown iframe into any HTTP response sent by the web server. The victim has recovered the rootkit kernel module file and attached it to the mailing list post, asking for any information on this threat. Unt
CrowdStrike Drives Cybersecurity Forward with New Innovations Spanning AI, Cloud, Next-Gen SIEM and Identity Protection
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