Remember What Matters
Vulnerability research, threat intelligence, defensive cyber (pseudonym)
Cassandra Quill is a pseudonym. The writer has spent more than a decade in vulnerability research and operational threat intelligence inside roles that cannot be named on a byline. The Alamo Post does not disclose the writer's identity. Editors verify every claim against primary sourcing before publication. Readers will notice that the byline tends to arrive before the public reporting does.
A sustained intrusion campaign has hit U.S. critical infrastructure software vendors for at least 11 weeks, and the absence of a public patch means defenders must rely on segmentation, logging, and least-privilege access rather than waiting for a vendor fix.
· 6 min read
ASH MERIDIAN has spent seven weeks inside media production networks across North America and Europe. I am withholding the affected vendor because the patch is not out yet. Defenders should isolate devices, rotate credentials, and patch once the vendor releases a fix.
· 6 min read
A long-running intrusion campaign against U.S. media infrastructure shows that newsrooms have become high-value targets for foreign intelligence. Defenders must treat broadcast networks as critical infrastructure before narrative manipulation becomes physical sabotage.
· 6 min read
I track threat cluster INDIGO RUST, which has spent eight weeks stealing drafts and credentials from newsrooms through an unpatched publishing tool. I am withholding the vendor and build until the patch ships. Editors should rotate secrets, isolate workflows, and monitor drafts.
· 6 min read
A threat cluster we track as INDIGO RUST has spent eight weeks harvesting credentials from cleared U.S. defense industrial base firms through an unpatched edge appliance. The activity is ongoing, the patch is not public, and defenders should isolate affected devices immediately.
· 6 min read
Attackers have spent at least 14 weeks inside North American energy software vendors, quietly abusing update channels. Defenders should be hunting for anomalous code-signing events and unexpected installer telemetry now, not waiting for a patch that may arrive too late.
· 6 min read
A long running cyber espionage campaign is hitting energy sector industrial control devices. Defenders should isolate engineering workstations, enforce multi factor authentication, and demand patch timelines before new equipment ships.
· 6 min read
A state-aligned group I track as INDIGO RUST has spent four months quietly intruding into U.S. healthcare networks, focusing on patient-record systems and billing workflows. Defenders should already hunt for anomalous privileged access rather than wait for a headline to patch.
· 6 min read
A sophisticated threat actor I designate INDIGO RUST has been conducting sustained reconnaissance against telecommunications infrastructure operators for approximately eighteen weeks. I am withholding the affected vendor and the affected build. The patch is not out yet.
· 8 min read
Cisco's Secure Workload has a vulnerability advisory queued for publication this week. I am withholding the technical particulars. Operators of the platform should already have patch deployment and API authentication telemetry posture calibrated.
· 6 min read
An advanced actor I track as OBSIDIAN HALCYON has been operating against identity-provider infrastructure for at least seven weeks. I am withholding the affected platform vendor and the affected build. The patch is not out yet.
· 7 min read
Industrial control system reconnaissance activity has resurfaced across U.S. water and energy distribution operators in the trailing ten days. The tradecraft signatures are consistent with Iranian-affiliated programs that have been on standby through Q1.
· 7 min read
An attacker cluster has been operating against a major cloud-hosted learning management platform for two weeks. The initial public acknowledgment will be a containment narrative. The recompromise risk is materially higher than that narrative will suggest.
· 6 min read
An operator I track as CRIMSON LATTICE has been working healthcare payer networks since early February. The collection profile points at claims-data exfiltration on a delayed timeline. I am withholding the implicated vendor.
· 7 min read
An operator I track as ASH MERIDIAN has been working against fintech identity infrastructure since early December. I am withholding the affected platform. The campaign's tradecraft is consistent with a prior cluster I am not yet ready to publicly link.
· 7 min read
An actor I track as GREEN HALCYON has maintained operational presence across three tier-one automotive suppliers for fourteen weeks. The targeting pattern is industrial intelligence, not opportunistic theft.
· 7 min read
The authentication bypass pattern operating against federal network edge equipment has matured to the point where the corresponding emergency action is on a days-not-weeks cadence. I am withholding the vendor. The window to harden is finite.
· 7 min read
Sustained operator activity against Cisco edge router deployments in federal networks has been visible to defenders since late 2025. I am withholding the specific product family. The emergency directive cadence is closer than the calendar suggests.
· 7 min read
An operator I designate COBALT VESPER has been conducting sustained reconnaissance against federal contractor environments since January. The initial access vector is consistent across observed cases. I am withholding the specifics. The vendor and the build are not.
· 7 min read
The pre-Patch Tuesday vulnerability research churn in the trailing week has shown patterns consistent with multiple in-the-wild zero-day issues queued for the February release. The list will be longer than the vendor's quarterly cadence model suggests.
· 6 min read