diff --git a/decnet/ttp/misp_export.py b/decnet/ttp/misp_export.py
index 6863fbfa..3daa6b69 100644
--- a/decnet/ttp/misp_export.py
+++ b/decnet/ttp/misp_export.py
@@ -48,6 +48,7 @@ def build_attacker_misp_event(
     smtp_targets: list[dict[str, Any]],
     commands: list[str] | None = None,
     observations: list[dict[str, Any]] | None = None,
+    fingerprint_bounties: list[dict[str, Any]] | None = None,
 ) -> dict[str, Any]:
     """Return a MISP event dict for *attacker*.
 
@@ -65,6 +66,7 @@ def build_attacker_misp_event(
         smtp_targets=smtp_targets,
         commands=commands,
         observations=observations,
+        fingerprint_bounties=fingerprint_bounties,
     )
     return _parse_bundle(bundle)
 
@@ -73,6 +75,7 @@ def build_fleet_misp_collection(
     rows: list[dict[str, Any]],
     ttp_by_attacker: dict[str, list[dict[str, Any]]],
     observations_by_attacker: dict[str, list[dict[str, Any]]] | None = None,
+    fingerprint_bounties_by_ip: dict[str, list[dict[str, Any]]] | None = None,
 ) -> dict[str, Any]:
     """Return a MISP collection dict with one event per attacker in *rows*.
 
@@ -84,6 +87,7 @@ def build_fleet_misp_collection(
     """
     events: list[dict[str, Any]] = []
     obs_map = observations_by_attacker or {}
+    fp_map = fingerprint_bounties_by_ip or {}
     for row in rows:
         raw_cmds = row.get("commands") or []
         if isinstance(raw_cmds, str):
@@ -107,6 +111,7 @@ def build_fleet_misp_collection(
             smtp_targets=[],
             commands=cmds,
             observations=obs_map.get(row["uuid"]),
+            fingerprint_bounties=fp_map.get(row.get("ip", ""), []),
         )
         event = _parse_bundle(bundle)
         if event:
diff --git a/decnet/web/db/repository.py b/decnet/web/db/repository.py
index 6d003f13..59fd3d4e 100644
--- a/decnet/web/db/repository.py
+++ b/decnet/web/db/repository.py
@@ -394,6 +394,27 @@ class BaseRepository(ABC):
         """
         raise NotImplementedError
 
+    async def get_fingerprint_bounties_by_ip(
+        self, ip: str
+    ) -> list[dict[str, Any]]:
+        """Return all fingerprint bounties for *ip* with parsed payload dicts.
+
+        Filters to ``bounty_type='fingerprint'``.  Each returned dict has the
+        standard Bounty columns plus a decoded ``payload`` dict.
+        """
+        raise NotImplementedError
+
+    async def get_all_fingerprint_bounties_for_export(
+        self,
+    ) -> dict[str, list[dict[str, Any]]]:
+        """Return ``{attacker_ip: [bounty_dict, ...]}`` for all fingerprint
+        bounties in the database.
+
+        Used by fleet exports to attach per-attacker fingerprint bounties
+        (JARM hashes, HTTP quirks) without N+1 queries.
+        """
+        raise NotImplementedError
+
     async def upsert_observed_attachment(
         self,
         *,
diff --git a/decnet/web/db/sqlmodel_repo/bounties.py b/decnet/web/db/sqlmodel_repo/bounties.py
index 94c7ac56..e7910f26 100644
--- a/decnet/web/db/sqlmodel_repo/bounties.py
+++ b/decnet/web/db/sqlmodel_repo/bounties.py
@@ -141,6 +141,40 @@ class BountiesMixin(_MixinBase):
                 grouped[item.attacker_ip].append(d)
             return dict(grouped)
 
+    async def get_fingerprint_bounties_by_ip(self, ip: str) -> List[dict[str, Any]]:
+        async with self._session() as session:
+            result = await session.execute(
+                select(Bounty)
+                .where(Bounty.attacker_ip == ip, Bounty.bounty_type == "fingerprint")
+                .order_by(asc(Bounty.timestamp))
+            )
+            out: List[dict[str, Any]] = []
+            for item in result.scalars().all():
+                d = item.model_dump(mode="json")
+                try:
+                    d["payload"] = json.loads(d["payload"])
+                except (json.JSONDecodeError, TypeError):
+                    pass
+                out.append(d)
+            return out
+
+    async def get_all_fingerprint_bounties_for_export(self) -> dict[str, List[dict[str, Any]]]:
+        async with self._session() as session:
+            result = await session.execute(
+                select(Bounty)
+                .where(Bounty.bounty_type == "fingerprint")
+                .order_by(asc(Bounty.timestamp))
+            )
+            grouped: dict[str, List[dict[str, Any]]] = defaultdict(list)
+            for item in result.scalars().all():
+                d = item.model_dump(mode="json")
+                try:
+                    d["payload"] = json.loads(d["payload"])
+                except (json.JSONDecodeError, TypeError):
+                    pass
+                grouped[item.attacker_ip].append(d)
+            return dict(grouped)
+
     async def count_probe_relays(self, attacker_ip: str, decky: str) -> int:
         """Return how many probe_relay bounties exist for this (attacker_ip, decky) pair."""
         async with self._session() as session:
diff --git a/decnet/web/router/attackers/api_export_attacker_misp.py b/decnet/web/router/attackers/api_export_attacker_misp.py
index beb9e9ff..7697986a 100644
--- a/decnet/web/router/attackers/api_export_attacker_misp.py
+++ b/decnet/web/router/attackers/api_export_attacker_misp.py
@@ -66,6 +66,7 @@ async def api_export_attacker_misp(
         repo.list_smtp_targets(uuid),
         repo.list_attacker_commands_deduped(uuid),
         repo.list_observations_by_attacker(uuid),
+        repo.get_fingerprint_bounties_by_ip(attacker["ip"]),
     )
     behavior = cast(dict[str, Any] | None, results[0])
     identity = cast(dict[str, Any] | None, results[1])
@@ -76,6 +77,7 @@ async def api_export_attacker_misp(
     smtp_targets = cast(list[dict[str, Any]], results[6])
     commands = cast(list[str], results[7])
     observations = cast(list[dict[str, Any]], results[8])
+    fingerprint_bounties = cast(list[dict[str, Any]], results[9])
 
     event = build_attacker_misp_event(
         attacker=attacker,
@@ -91,6 +93,7 @@ async def api_export_attacker_misp(
         smtp_targets=smtp_targets,
         commands=commands,
         observations=observations,
+        fingerprint_bounties=fingerprint_bounties,
     )
     return Response(
         content=json.dumps(event, default=str),
diff --git a/decnet/web/router/attackers/api_export_attacker_stix.py b/decnet/web/router/attackers/api_export_attacker_stix.py
index 70670aaf..0c97472e 100644
--- a/decnet/web/router/attackers/api_export_attacker_stix.py
+++ b/decnet/web/router/attackers/api_export_attacker_stix.py
@@ -70,6 +70,7 @@ async def api_export_attacker_stix(
         repo.list_smtp_targets(uuid),
         repo.list_attacker_commands_deduped(uuid),
         repo.list_observations_by_attacker(uuid),
+        repo.get_fingerprint_bounties_by_ip(attacker["ip"]),
     )
     behavior = cast(dict[str, Any] | None, results[0])
     identity = cast(dict[str, Any] | None, results[1])
@@ -80,6 +81,7 @@ async def api_export_attacker_stix(
     smtp_targets = cast(list[dict[str, Any]], results[6])
     commands = cast(list[str], results[7])
     observations = cast(list[dict[str, Any]], results[8])
+    fingerprint_bounties = cast(list[dict[str, Any]], results[9])
 
     bundle = build_attacker_bundle(
         attacker=attacker,
@@ -95,6 +97,7 @@ async def api_export_attacker_stix(
         smtp_targets=smtp_targets,
         commands=commands,
         observations=observations,
+        fingerprint_bounties=fingerprint_bounties,
     )
     return Response(
         content=bundle.serialize(pretty=True, indent=2),
diff --git a/decnet/web/router/attackers/api_export_attackers_misp.py b/decnet/web/router/attackers/api_export_attackers_misp.py
index 1d644793..22df69f2 100644
--- a/decnet/web/router/attackers/api_export_attackers_misp.py
+++ b/decnet/web/router/attackers/api_export_attackers_misp.py
@@ -43,15 +43,17 @@ async def api_export_attackers_misp(
     user: dict[str, Any] = Depends(require_viewer),
 ) -> Response:
     """Download a MISP collection JSON covering every observed attacker."""
-    rows, ttp_by_attacker, obs_by_attacker = await asyncio.gather(
+    rows, ttp_by_attacker, obs_by_attacker, fp_by_ip = await asyncio.gather(
         repo.get_all_attackers_for_export(),
         repo.get_all_ttp_rollups_for_export(),
         repo.get_all_observations_for_export(),
+        repo.get_all_fingerprint_bounties_for_export(),
     )
     collection = build_fleet_misp_collection(
         rows=rows,
         ttp_by_attacker=ttp_by_attacker,
         observations_by_attacker=obs_by_attacker,
+        fingerprint_bounties_by_ip=fp_by_ip,
     )
     ts = datetime.now(timezone.utc).strftime("%Y%m%dT%H%M%SZ")
     return Response(
diff --git a/decnet/web/router/attackers/api_export_attackers_stix.py b/decnet/web/router/attackers/api_export_attackers_stix.py
index 01b60cce..af4aa9a9 100644
--- a/decnet/web/router/attackers/api_export_attackers_stix.py
+++ b/decnet/web/router/attackers/api_export_attackers_stix.py
@@ -42,11 +42,12 @@ async def api_export_attackers_stix(
     user: dict[str, Any] = Depends(require_viewer),
 ) -> Response:
     """Download a STIX 2.1 bundle covering every observed attacker."""
-    rows, ttp_by_attacker, obs_by_attacker = await _gather_fleet_data()
+    rows, ttp_by_attacker, obs_by_attacker, fp_by_ip = await _gather_fleet_data()
     bundle = build_fleet_bundle(
         rows=rows,
         ttp_by_attacker=ttp_by_attacker,
         observations_by_attacker=obs_by_attacker,
+        fingerprint_bounties_by_ip=fp_by_ip,
     )
     ts = datetime.now(timezone.utc).strftime("%Y%m%dT%H%M%SZ")
     return Response(
@@ -64,11 +65,13 @@ async def _gather_fleet_data() -> tuple[
     list[dict[str, Any]],
     dict[str, list[dict[str, Any]]],
     dict[str, list[dict[str, Any]]],
+    dict[str, list[dict[str, Any]]],
 ]:
     import asyncio
-    rows, ttp_by_attacker, obs_by_attacker = await asyncio.gather(
+    rows, ttp_by_attacker, obs_by_attacker, fp_by_ip = await asyncio.gather(
         repo.get_all_attackers_for_export(),
         repo.get_all_ttp_rollups_for_export(),
         repo.get_all_observations_for_export(),
+        repo.get_all_fingerprint_bounties_for_export(),
     )
-    return rows, ttp_by_attacker, obs_by_attacker
+    return rows, ttp_by_attacker, obs_by_attacker, fp_by_ip
diff --git a/tests/db/test_base_repo.py b/tests/db/test_base_repo.py
index 12735941..5ff04cc7 100644
--- a/tests/db/test_base_repo.py
+++ b/tests/db/test_base_repo.py
@@ -115,6 +115,10 @@ class DummyRepo(BaseRepository):
         await super().list_observations_by_attacker(attacker_uuid); return []
     async def get_all_observations_for_export(self):
         await super().get_all_observations_for_export(); return {}
+    async def get_fingerprint_bounties_by_ip(self, ip):
+        await super().get_fingerprint_bounties_by_ip(ip); return []
+    async def get_all_fingerprint_bounties_for_export(self):
+        await super().get_all_fingerprint_bounties_for_export(); return {}
     async def get_attacker_uuid_by_ip(self, ip):
         await super().get_attacker_uuid_by_ip(ip); return None
     # TTP rollup surface (TTP_TAGGING.md)
@@ -261,6 +265,10 @@ async def test_base_repo_coverage():
         await dr.list_observations_by_attacker("a")
     with pytest.raises(NotImplementedError):
         await dr.get_all_observations_for_export()
+    with pytest.raises(NotImplementedError):
+        await dr.get_fingerprint_bounties_by_ip("1.1.1.1")
+    with pytest.raises(NotImplementedError):
+        await dr.get_all_fingerprint_bounties_for_export()
     with pytest.raises(NotImplementedError):
         await dr.get_attacker_uuid_by_ip("1.1.1.1")
     with pytest.raises(NotImplementedError):
diff --git a/tests/ttp/test_stix_export_threat_actor_extensions.py b/tests/ttp/test_stix_export_threat_actor_extensions.py
index 0455cb90..eaa3104d 100644
--- a/tests/ttp/test_stix_export_threat_actor_extensions.py
+++ b/tests/ttp/test_stix_export_threat_actor_extensions.py
@@ -239,6 +239,100 @@ def test_kd_digraph_simhash_base64_input():
     assert profile.kd_digraph_simhash == raw.hex()
 
 
+def _fp_bounties() -> list[dict]:
+    return [
+        {
+            "payload": {
+                "fingerprint_type": "jarm",
+                "hash": "2ad2ad16d2ad2ad00042d42d000000f93d17e5fba64fc1c6f4cb080b9a5cf1e",
+                "target_ip": "1.2.3.4",
+                "target_port": "443",
+            }
+        },
+        {
+            "payload": {
+                "fingerprint_type": "http_quirks",
+                "order_hash": "abc123",
+                "order": ["Host", "User-Agent", "Accept"],
+                "casing_hash": "def456",
+                "casing_category": "title_case",
+                "stable_count": 3,
+                "tool_guess": "curl",
+            }
+        },
+        {
+            "payload": {
+                "fingerprint_type": "jarm",
+                "hash": "2ad2ad16d2ad2ad00042d42d000000f93d17e5fba64fc1c6f4cb080b9a5cf1e",
+            }
+        },
+    ]
+
+
+def test_fingerprint_bounties_jarm_in_protocol_fingerprints():
+    """JARM hashes from bounties appear deduplicated in protocol_fingerprints."""
+    bundle = build_attacker_bundle(
+        attacker=_attacker(),
+        behavior=None, identity=None, intel=None,
+        technique_rollup=[], raw_tags=[], artifacts=[],
+        smtp_targets=[], observations=None,
+        fingerprint_bounties=_fp_bounties(),
+    )
+    ta = _get_ta(bundle)
+    assert ta.extensions, "expected extension block with fingerprint bounties"
+    ext = ta.extensions[ACTOR_FINGERPRINT_EXT_ID]
+    fp = ext.protocol_fingerprints
+    assert "jarm_hashes" in fp
+    assert len(fp["jarm_hashes"]) == 1, "duplicate JARM hash must be collapsed"
+    assert "http_quirks" in fp
+    assert fp["http_quirks"][0]["tool_guess"] == "curl"
+    assert fp["http_quirks"][0]["order"] == ["Host", "User-Agent", "Accept"]
+
+
+def test_fingerprint_bounties_empty_produces_no_extension():
+    """Empty fingerprint bounties with no other signal → no extension block."""
+    bundle = build_attacker_bundle(
+        attacker=_attacker(),
+        behavior=None, identity=None, intel=None,
+        technique_rollup=[], raw_tags=[], artifacts=[],
+        smtp_targets=[], observations=None,
+        fingerprint_bounties=[],
+    )
+    ta = _get_ta(bundle)
+    assert not getattr(ta, "extensions", None)
+
+
+def test_behave_profile_has_characterizes_relationship():
+    """When behave_profile is present the bundle contains a 'characterizes' Relationship."""
+    bundle = build_attacker_bundle(
+        attacker=_attacker(),
+        behavior=None, identity=None, intel=None,
+        technique_rollup=[], raw_tags=[], artifacts=[],
+        smtp_targets=[], observations=_obs(),
+    )
+    ta = _get_ta(bundle)
+    profile = next(o for o in bundle.objects if o.type == "x-decnet-behave-profile")
+    rels = [o for o in bundle.objects if o.type == "relationship"
+            and o.relationship_type == "characterizes"]
+    assert len(rels) == 1
+    rel = rels[0]
+    assert rel.source_ref == profile.id
+    assert rel.target_ref == ta.id
+
+
+def test_no_behave_profile_no_characterizes_relationship():
+    """Skinny attacker with no observations → no 'characterizes' relationship."""
+    bundle = build_attacker_bundle(
+        attacker=_attacker(),
+        behavior=None, identity=None, intel=None,
+        technique_rollup=[], raw_tags=[], artifacts=[],
+        smtp_targets=[], observations=None,
+    )
+    rels = [o for o in bundle.objects if o.type == "relationship"
+            and o.relationship_type == "characterizes"]
+    assert len(rels) == 0
+
+
 def test_inter_decnet_round_trip():
     """Primary fidelity: stix2.parse restores typed objects, not bare dicts."""
     ident = _identity()
diff --git a/tests/web/test_api_export_attacker_misp.py b/tests/web/test_api_export_attacker_misp.py
index 21f7dc8a..e6e79ffd 100644
--- a/tests/web/test_api_export_attacker_misp.py
+++ b/tests/web/test_api_export_attacker_misp.py
@@ -113,6 +113,7 @@ def _mock_repo(*, attacker=None, intel=None, rollup=None, tags=None,
     m.list_smtp_targets = AsyncMock(return_value=smtp or [])
     m.list_attacker_commands_deduped = AsyncMock(return_value=commands or [])
     m.list_observations_by_attacker = AsyncMock(return_value=[])
+    m.get_fingerprint_bounties_by_ip = AsyncMock(return_value=[])
     return m
 
 
diff --git a/tests/web/test_api_export_attacker_stix.py b/tests/web/test_api_export_attacker_stix.py
index 5763fc81..ca028cfa 100644
--- a/tests/web/test_api_export_attacker_stix.py
+++ b/tests/web/test_api_export_attacker_stix.py
@@ -129,6 +129,7 @@ def _mock_repo(*, attacker=None, identity=None, intel=None,
     m.list_smtp_targets = AsyncMock(return_value=smtp or [])
     m.list_attacker_commands_deduped = AsyncMock(return_value=commands or [])
     m.list_observations_by_attacker = AsyncMock(return_value=[])
+    m.get_fingerprint_bounties_by_ip = AsyncMock(return_value=[])
     return m
 
 
diff --git a/tests/web/test_api_export_attackers_misp.py b/tests/web/test_api_export_attackers_misp.py
index 6a16dc77..ceac6309 100644
--- a/tests/web/test_api_export_attackers_misp.py
+++ b/tests/web/test_api_export_attackers_misp.py
@@ -52,6 +52,7 @@ def _mock_repo(*, rows=None, ttp_by_attacker=None):
     m.get_all_attackers_for_export = AsyncMock(return_value=rows or [])
     m.get_all_ttp_rollups_for_export = AsyncMock(return_value=ttp_by_attacker or {})
     m.get_all_observations_for_export = AsyncMock(return_value={})
+    m.get_all_fingerprint_bounties_for_export = AsyncMock(return_value={})
     return m
 
 
diff --git a/tests/web/test_api_export_attackers_stix.py b/tests/web/test_api_export_attackers_stix.py
index 7e708a07..a50ba4ea 100644
--- a/tests/web/test_api_export_attackers_stix.py
+++ b/tests/web/test_api_export_attackers_stix.py
@@ -53,6 +53,7 @@ def _mock_repo(*, rows=None, ttp_by_attacker=None):
     m.get_all_attackers_for_export = AsyncMock(return_value=rows or [])
     m.get_all_ttp_rollups_for_export = AsyncMock(return_value=ttp_by_attacker or {})
     m.get_all_observations_for_export = AsyncMock(return_value={})
+    m.get_all_fingerprint_bounties_for_export = AsyncMock(return_value={})
     return m