Independent cyber intelligence
Curated threat intelligence, practitioner insights, field notes, and the ideas that help defenders stay ahead of attackers.
Global activity, distilled for defenders
Threat radar
Linux Kernel contains an unspecified vulnerability that can allow for privilege escalation via IPv6 networking subsystem. This vulnerability can impact multiple products, including but not limited to Suse, Red Hat, and other products using Linux.
Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials.
Microsoft SQL Server contains a remote code execution vulnerability that could allow an attacker to execute code in the context of the SQL Server Database Engine service account.
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) contain a heap inspection vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.
Cybersecurity news
Vulnerabilities
Why it matters
Defenders should first confirm whether the affected technology exists in their environment, then prioritize exposed and high-value systems. Treat reported exploitation as a prompt to review telemetry and vendor guidance—not only as a patching reminder.
Vulnerabilities
Why it matters
Defenders should first confirm whether the affected technology exists in their environment, then prioritize exposed and high-value systems. Treat reported exploitation as a prompt to review telemetry and vendor guidance—not only as a patching reminder.
Cybersecurity
Why it matters
For defenders, the value is in translating the report into an environment-specific question: where could this behavior appear, which controls should interrupt it, and what evidence would confirm or disprove exposure?
Voices from the field
Insights from podcasts and practitioners
The real breakthrough was not the malware—it was abusing trusted relationships at scale.
Blue team note
Practical detection ideas
What attackers do
Use encoded commands, hidden windows, and download cradles to evade basic controls.
What to look for
EncodedCommand, IEX, unusual parent processes, and outbound connections.
DeviceProcessEvents
| where FileName == "powershell.exe"
| where ProcessCommandLine has "Encoded"From my reading
Ideas worth carrying forward
Robert M. Lee & Rebekah Brown
Key idea
Indicators tell you what happened. Adversary behavior helps you understand how the attacker operates.
View bookshelfAttack library
A financially motivated threat group known for high-pressure social engineering, identity compromise, SIM swapping, and cloud-focused intrusion.
Latest intel feed
Curated from trusted sources
People worth following
Researchers, presenters, and defenders
Vulnerability research
A longtime software-vulnerability analyst known for practical testing, careful disclosure analysis, and explaining real exploitation conditions.
Read profileDetection engineering
A threat researcher and detection engineer associated with Sigma, THOR, YARA-based scanning, and widely used open-source defensive tooling.
Read profileTechnical leadership
An author and consultant who writes about product development, management, organizational systems, risk, and decision-making under uncertainty.
Read profileCritical infrastructure
A cybersecurity adviser whose work focuses on digital trust, resilience, and cyber risk in energy and critical-infrastructure organizations.
Read profileAbout Threat Field Notes
I’m Sukarn. This is my space to share what I learn, what I find interesting, and the field notes that help turn threat information into useful defensive action.