{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-a2awire-data-cisa-advisory-ics-security-alert",
  "component": "mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http",
  "generated_at": "2026-09-25T19:56:46.320Z",
  "tracking_since": "2026-09-04",
  "counts": {
    "critical": 0,
    "security": 11,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0d1a5-2026-775e-a379-35e20e25a57e",
      "kind": "check.unverifiable",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": "toolsafety.manipulation_clean",
      "to_code": "toolsafety.manipulation_unjudged",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "units": "17",
        "judged": "16",
        "reason": "partially_judged"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 04:20:54.789293+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Judged manipulation (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-a2awire-data-cisa-advisory-ics-security-alert/mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http#chg-chg_01a0d1a5-2026-775e-a379-35e20e25a57e"
    },
    {
      "id": "chg_01a0d1a5-2028-727d-b3f2-2c5c07bb6a1c",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 04:20:54.789293+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-a2awire-data-cisa-advisory-ics-security-alert/mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http#chg-chg_01a0d1a5-2028-727d-b3f2-2c5c07bb6a1c"
    },
    {
      "id": "chg_01a0cc7f-981e-73ba-9dec-0aa87770684f",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 04:21:49.123462+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-a2awire-data-cisa-advisory-ics-security-alert/mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http#chg-chg_01a0cc7f-981e-73ba-9dec-0aa87770684f"
    },
    {
      "id": "chg_01a0c22f-e249-74f5-a628-631638a00254",
      "kind": "check.reverified",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": "toolsafety.manipulation_unjudged",
      "to_code": "toolsafety.manipulation_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "units": "17",
        "judged": "17"
      },
      "occurred_on": "2026-09-21",
      "occurred_at": "2026-09-21 04:18:33.04783+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Judged manipulation (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-a2awire-data-cisa-advisory-ics-security-alert/mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http#chg-chg_01a0c22f-e249-74f5-a628-631638a00254"
    },
    {
      "id": "chg_01a0b7e3-6e26-79ac-93c9-cf29d1989414",
      "kind": "check.unverifiable",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": "toolsafety.manipulation_clean",
      "to_code": "toolsafety.manipulation_unjudged",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "units": "17",
        "judged": "16",
        "reason": "partially_judged"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 04:18:50.46724+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Judged manipulation (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-a2awire-data-cisa-advisory-ics-security-alert/mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http#chg-chg_01a0b7e3-6e26-79ac-93c9-cf29d1989414"
    },
    {
      "id": "chg_01a0b7e3-6e27-7c08-8e48-c023f293982c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "a2awire_guide",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "a2awire_guide"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 04:18:50.46724+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “a2awire_guide” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-a2awire-data-cisa-advisory-ics-security-alert/mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http#chg-chg_01a0b7e3-6e27-7c08-8e48-c023f293982c"
    },
    {
      "id": "chg_01a0b7e3-6e2c-79c9-bd31-00fbc856f3c0",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 04:18:50.46724+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-a2awire-data-cisa-advisory-ics-security-alert/mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http#chg-chg_01a0b7e3-6e2c-79c9-bd31-00fbc856f3c0"
    },
    {
      "id": "chg_01a0b2bc-c7c9-7436-8fee-a0f9d2de13db",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 04:18:31.366434+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-a2awire-data-cisa-advisory-ics-security-alert/mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http#chg-chg_01a0b2bc-c7c9-7436-8fee-a0f9d2de13db"
    },
    {
      "id": "chg_01a08988-4bd1-780b-821a-006f7e16883a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "a2awire_guide",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "a2awire_guide"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:16:45.928732+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “a2awire_guide” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-a2awire-data-cisa-advisory-ics-security-alert/mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http#chg-chg_01a08988-4bd1-780b-821a-006f7e16883a"
    },
    {
      "id": "chg_01a07f32-5291-712e-ba4b-b33d22e1d6fe",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "data_session_open",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "data_session_open"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 04:06:39.332794+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “data_session_open” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-a2awire-data-cisa-advisory-ics-security-alert/mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http#chg-chg_01a07f32-5291-712e-ba4b-b33d22e1d6fe"
    },
    {
      "id": "chg_01a06fbd-7508-74fc-9a46-4ba5ac3f1ffb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "a2awire_guide",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "a2awire_guide"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 04:04:42.210304+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “a2awire_guide” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-a2awire-data-cisa-advisory-ics-security-alert/mcp-data-cisaalerts-cisa-cybersecurity-ics-advisories-55420c-http#chg-chg_01a06fbd-7508-74fc-9a46-4ba5ac3f1ffb"
    }
  ],
  "days": [
    {
      "date": "2026-09-25",
      "total": 74,
      "delta": 11,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-24",
      "total": 63,
      "delta": -10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-09-23",
      "total": 73,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-22",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 57,
        "to": 60,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 17,
          "to_days": 18
        },
        "partial": false,
        "compared_to": "2026-09-21",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 57 to 60. That category is still filling its 30-day observation window: 17 days of observed history at the previous scan, 18 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-21",
      "total": 72,
      "delta": 11,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-19",
      "total": 61,
      "delta": -10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-18",
      "total": 71,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-15",
      "total": 70,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 33,
        "to": 37,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 10,
          "to_days": 11
        },
        "partial": false,
        "compared_to": "2026-09-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}