diff --git a/plugins/importer-postman/src/index.ts b/plugins/importer-postman/src/index.ts
index 9f05859f..3c720108 100644
--- a/plugins/importer-postman/src/index.ts
+++ b/plugins/importer-postman/src/index.ts
@@ -16,6 +16,20 @@ const POSTMAN_2_1_0_SCHEMA = "https://schema.getpostman.com/json/collection/v2.1
 const POSTMAN_2_0_0_SCHEMA = "https://schema.getpostman.com/json/collection/v2.0.0/collection.json";
 const VALID_SCHEMAS = [POSTMAN_2_0_0_SCHEMA, POSTMAN_2_1_0_SCHEMA];
 
+// Both products happen to spell these the same way, but the names are written
+// out so anything Yaak's oauth1 plugin can't offer as a select option lands on
+// the default instead of being passed straight through.
+const OAUTH1_SIGNATURE_METHODS: Record<string, string> = {
+  "HMAC-SHA1": "HMAC-SHA1",
+  "HMAC-SHA256": "HMAC-SHA256",
+  "HMAC-SHA512": "HMAC-SHA512",
+  "RSA-SHA1": "RSA-SHA1",
+  "RSA-SHA256": "RSA-SHA256",
+  "RSA-SHA512": "RSA-SHA512",
+  PLAINTEXT: "PLAINTEXT",
+};
+const DEFAULT_OAUTH1_SIGNATURE_METHOD = "HMAC-SHA1";
+
 type AtLeast<T, K extends keyof T> = Partial<T> & Pick<T, K>;
 
 interface ExportResources {
@@ -98,6 +112,7 @@ export function convertPostman(contents: string): ImportPluginResponse | undefin
         id: generateId("folder"),
         name: v.name,
         folderId,
+        ...importAuth(v.auth),
       };
       trackSourceKey(folder.id, v, "item");
       exportResources.folders.push(folder);
@@ -222,8 +237,6 @@ function convertUrl(rawUrl: unknown): Pick<HttpRequest, "url" | "urlParameters">
     v += `#${url.hash}`;
   }
 
-  // TODO: Implement url.variables (path variables)
-
   return { url: v, urlParameters: params };
 }
 
@@ -274,6 +287,31 @@ function importAuth(rawAuth: unknown): Pick<HttpRequest, "authentication" | "aut
     };
   }
 
+  if ("digest" in auth && authType === "digest") {
+    const d = pmArrayToObj(auth.digest);
+    return {
+      authenticationType: "digest",
+      authentication: {
+        username: d.username != null ? String(d.username) : undefined,
+        password: d.password != null ? String(d.password) : undefined,
+        realm: d.realm != null ? String(d.realm) : undefined,
+      },
+    };
+  }
+
+  if ("ntlm" in auth && authType === "ntlm") {
+    const n = pmArrayToObj(auth.ntlm);
+    return {
+      authenticationType: "windows",
+      authentication: {
+        username: n.username != null ? String(n.username) : undefined,
+        password: n.password != null ? String(n.password) : undefined,
+        domain: n.domain != null ? String(n.domain) : undefined,
+        workstation: n.workstation != null ? String(n.workstation) : undefined,
+      },
+    };
+  }
+
   if ("awsv4" in auth && authType === "awsv4") {
     const a = pmArrayToObj(auth.awsv4);
     return {
@@ -317,6 +355,32 @@ function importAuth(rawAuth: unknown): Pick<HttpRequest, "authentication" | "aut
     };
   }
 
+  if ("oauth1" in auth && authType === "oauth1") {
+    const o = pmArrayToObj(auth.oauth1);
+    const signatureMethod =
+      o.signatureMethod != null
+        ? String(o.signatureMethod).toUpperCase()
+        : DEFAULT_OAUTH1_SIGNATURE_METHOD;
+    return {
+      authenticationType: "oauth1",
+      authentication: {
+        signatureMethod:
+          OAUTH1_SIGNATURE_METHODS[signatureMethod] ?? DEFAULT_OAUTH1_SIGNATURE_METHOD,
+        consumerKey: o.consumerKey != null ? String(o.consumerKey) : undefined,
+        consumerSecret: o.consumerSecret != null ? String(o.consumerSecret) : undefined,
+        tokenKey: o.token != null ? String(o.token) : undefined,
+        tokenSecret: o.tokenSecret != null ? String(o.tokenSecret) : undefined,
+        privateKey: o.privateKey != null ? String(o.privateKey) : undefined,
+        callback: o.callback != null ? String(o.callback) : undefined,
+        verifier: o.verifier != null ? String(o.verifier) : undefined,
+        timestamp: o.timestamp != null ? String(o.timestamp) : undefined,
+        nonce: o.nonce != null ? String(o.nonce) : undefined,
+        version: o.version != null ? String(o.version) : undefined,
+        realm: o.realm != null ? String(o.realm) : undefined,
+      },
+    };
+  }
+
   if ("oauth2" in auth && authType === "oauth2") {
     const o = pmArrayToObj(auth.oauth2);
 
diff --git a/plugins/importer-postman/tests/fixtures/auth.input.json b/plugins/importer-postman/tests/fixtures/auth.input.json
index 9f70c3bb..ceadd6cb 100644
--- a/plugins/importer-postman/tests/fixtures/auth.input.json
+++ b/plugins/importer-postman/tests/fixtures/auth.input.json
@@ -738,6 +738,254 @@
         }
       },
       "response": []
+    },
+    {
+      "name": "Digest",
+      "request": {
+        "auth": {
+          "type": "digest",
+          "digest": [
+            {
+              "key": "algorithm",
+              "value": "MD5",
+              "type": "string"
+            },
+            {
+              "key": "username",
+              "value": "digest-user",
+              "type": "string"
+            },
+            {
+              "key": "password",
+              "value": "digest-pass",
+              "type": "string"
+            },
+            {
+              "key": "realm",
+              "value": "testrealm@yaak.app",
+              "type": "string"
+            },
+            {
+              "key": "nonce",
+              "value": "dcd98b7102dd2f0e8b11d0f600bfb0c093",
+              "type": "string"
+            },
+            {
+              "key": "nonceCount",
+              "value": "00000001",
+              "type": "string"
+            },
+            {
+              "key": "clientNonce",
+              "value": "0a4f113b",
+              "type": "string"
+            },
+            {
+              "key": "opaque",
+              "value": "5ccc069c403ebaf9f0171e9517f40e41",
+              "type": "string"
+            },
+            {
+              "key": "qop",
+              "value": "auth",
+              "type": "string"
+            },
+            {
+              "key": "disableRetryRequest",
+              "value": true,
+              "type": "boolean"
+            }
+          ]
+        },
+        "method": "GET",
+        "header": [],
+        "url": {
+          "raw": "https://yaak.app/x/echo",
+          "protocol": "https",
+          "host": ["yaak", "app"],
+          "path": ["x", "echo"]
+        }
+      },
+      "response": []
+    },
+    {
+      "name": "NTLM",
+      "request": {
+        "auth": {
+          "type": "ntlm",
+          "ntlm": [
+            {
+              "key": "username",
+              "value": "ntlm-user",
+              "type": "string"
+            },
+            {
+              "key": "password",
+              "value": "ntlm-pass",
+              "type": "string"
+            },
+            {
+              "key": "domain",
+              "value": "CORP",
+              "type": "string"
+            },
+            {
+              "key": "workstation",
+              "value": "WORKSTATION-01",
+              "type": "string"
+            },
+            {
+              "key": "disableRetryRequest",
+              "value": true,
+              "type": "boolean"
+            }
+          ]
+        },
+        "method": "GET",
+        "header": [],
+        "url": {
+          "raw": "https://yaak.app/x/echo",
+          "protocol": "https",
+          "host": ["yaak", "app"],
+          "path": ["x", "echo"]
+        }
+      },
+      "response": []
+    },
+    {
+      "name": "OAuth 1",
+      "request": {
+        "auth": {
+          "type": "oauth1",
+          "oauth1": [
+            {
+              "key": "consumerKey",
+              "value": "consumer-key",
+              "type": "string"
+            },
+            {
+              "key": "consumerSecret",
+              "value": "consumer-secret",
+              "type": "string"
+            },
+            {
+              "key": "token",
+              "value": "access-token",
+              "type": "string"
+            },
+            {
+              "key": "tokenSecret",
+              "value": "token-secret",
+              "type": "string"
+            },
+            {
+              "key": "signatureMethod",
+              "value": "HMAC-SHA256",
+              "type": "string"
+            },
+            {
+              "key": "timestamp",
+              "value": "1700000000",
+              "type": "string"
+            },
+            {
+              "key": "nonce",
+              "value": "9e6dfada256c",
+              "type": "string"
+            },
+            {
+              "key": "version",
+              "value": "1.0",
+              "type": "string"
+            },
+            {
+              "key": "realm",
+              "value": "yaak.app",
+              "type": "string"
+            },
+            {
+              "key": "callback",
+              "value": "https://yaak.app/x/callback",
+              "type": "string"
+            },
+            {
+              "key": "verifier",
+              "value": "verifier-123",
+              "type": "string"
+            },
+            {
+              "key": "addParamsToHeader",
+              "value": true,
+              "type": "boolean"
+            },
+            {
+              "key": "addEmptyParamsToSign",
+              "value": false,
+              "type": "boolean"
+            },
+            {
+              "key": "includeBodyHash",
+              "value": false,
+              "type": "boolean"
+            }
+          ]
+        },
+        "method": "GET",
+        "header": [],
+        "url": {
+          "raw": "https://yaak.app/x/echo",
+          "protocol": "https",
+          "host": ["yaak", "app"],
+          "path": ["x", "echo"]
+        }
+      },
+      "response": []
+    },
+    {
+      "name": "Folder With Auth",
+      "item": [
+        {
+          "name": "Folder Child Inherit",
+          "request": {
+            "method": "GET",
+            "header": [],
+            "url": {
+              "raw": "https://yaak.app/x/echo",
+              "protocol": "https",
+              "host": ["yaak", "app"],
+              "path": ["x", "echo"]
+            }
+          },
+          "response": []
+        },
+        {
+          "name": "Folder Child No Auth",
+          "request": {
+            "auth": {
+              "type": "noauth"
+            },
+            "method": "GET",
+            "header": [],
+            "url": {
+              "raw": "https://yaak.app/x/echo",
+              "protocol": "https",
+              "host": ["yaak", "app"],
+              "path": ["x", "echo"]
+            }
+          },
+          "response": []
+        }
+      ],
+      "auth": {
+        "type": "bearer",
+        "bearer": [
+          {
+            "key": "token",
+            "value": "folder-token",
+            "type": "string"
+          }
+        ]
+      }
     }
   ],
   "auth": {
diff --git a/plugins/importer-postman/tests/fixtures/auth.output.json b/plugins/importer-postman/tests/fixtures/auth.output.json
index 1f6d9482..4196c1f0 100644
--- a/plugins/importer-postman/tests/fixtures/auth.output.json
+++ b/plugins/importer-postman/tests/fixtures/auth.output.json
@@ -297,9 +297,123 @@
           "headerPrefix": "Bearer",
           "location": "header"
         }
+      },
+      {
+        "model": "http_request",
+        "id": "GENERATE_ID::HTTP_REQUEST_10",
+        "workspaceId": "GENERATE_ID::WORKSPACE_0",
+        "folderId": null,
+        "name": "Digest",
+        "method": "GET",
+        "url": "https://yaak.app/x/echo",
+        "urlParameters": [],
+        "body": {},
+        "bodyType": null,
+        "sortPriority": 10,
+        "headers": [],
+        "authenticationType": "digest",
+        "authentication": {
+          "username": "digest-user",
+          "password": "digest-pass",
+          "realm": "testrealm@yaak.app"
+        }
+      },
+      {
+        "model": "http_request",
+        "id": "GENERATE_ID::HTTP_REQUEST_11",
+        "workspaceId": "GENERATE_ID::WORKSPACE_0",
+        "folderId": null,
+        "name": "NTLM",
+        "method": "GET",
+        "url": "https://yaak.app/x/echo",
+        "urlParameters": [],
+        "body": {},
+        "bodyType": null,
+        "sortPriority": 11,
+        "headers": [],
+        "authenticationType": "windows",
+        "authentication": {
+          "username": "ntlm-user",
+          "password": "ntlm-pass",
+          "domain": "CORP",
+          "workstation": "WORKSTATION-01"
+        }
+      },
+      {
+        "model": "http_request",
+        "id": "GENERATE_ID::HTTP_REQUEST_12",
+        "workspaceId": "GENERATE_ID::WORKSPACE_0",
+        "folderId": null,
+        "name": "OAuth 1",
+        "method": "GET",
+        "url": "https://yaak.app/x/echo",
+        "urlParameters": [],
+        "body": {},
+        "bodyType": null,
+        "sortPriority": 12,
+        "headers": [],
+        "authenticationType": "oauth1",
+        "authentication": {
+          "signatureMethod": "HMAC-SHA256",
+          "consumerKey": "consumer-key",
+          "consumerSecret": "consumer-secret",
+          "tokenKey": "access-token",
+          "tokenSecret": "token-secret",
+          "callback": "https://yaak.app/x/callback",
+          "verifier": "verifier-123",
+          "timestamp": "1700000000",
+          "nonce": "9e6dfada256c",
+          "version": "1.0",
+          "realm": "yaak.app"
+        }
+      },
+      {
+        "model": "http_request",
+        "id": "GENERATE_ID::HTTP_REQUEST_13",
+        "workspaceId": "GENERATE_ID::WORKSPACE_0",
+        "folderId": "GENERATE_ID::FOLDER_0",
+        "name": "Folder Child Inherit",
+        "method": "GET",
+        "url": "https://yaak.app/x/echo",
+        "urlParameters": [],
+        "body": {},
+        "bodyType": null,
+        "sortPriority": 14,
+        "headers": [],
+        "authenticationType": null,
+        "authentication": {}
+      },
+      {
+        "model": "http_request",
+        "id": "GENERATE_ID::HTTP_REQUEST_14",
+        "workspaceId": "GENERATE_ID::WORKSPACE_0",
+        "folderId": "GENERATE_ID::FOLDER_0",
+        "name": "Folder Child No Auth",
+        "method": "GET",
+        "url": "https://yaak.app/x/echo",
+        "urlParameters": [],
+        "body": {},
+        "bodyType": null,
+        "sortPriority": 15,
+        "headers": [],
+        "authenticationType": "none",
+        "authentication": {}
       }
     ],
-    "folders": []
+    "folders": [
+      {
+        "model": "folder",
+        "sortPriority": 13,
+        "workspaceId": "GENERATE_ID::WORKSPACE_0",
+        "id": "GENERATE_ID::FOLDER_0",
+        "name": "Folder With Auth",
+        "folderId": null,
+        "authenticationType": "bearer",
+        "authentication": {
+          "token": "folder-token"
+        }
+      }
+    ]
   },
   "sourceKeys": {
     "GENERATE_ID::WORKSPACE_0": "collection:9e6dfada-256c-49ea-a38f-7d1b05b7ca2d"
diff --git a/plugins/importer-postman/tests/fixtures/nested.output.json b/plugins/importer-postman/tests/fixtures/nested.output.json
index c13974a5..1b8bb8cb 100644
--- a/plugins/importer-postman/tests/fixtures/nested.output.json
+++ b/plugins/importer-postman/tests/fixtures/nested.output.json
@@ -23,9 +23,9 @@
     "httpRequests": [
       {
         "model": "http_request",
-        "id": "GENERATE_ID::HTTP_REQUEST_10",
+        "id": "GENERATE_ID::HTTP_REQUEST_15",
         "workspaceId": "GENERATE_ID::WORKSPACE_1",
-        "folderId": "GENERATE_ID::FOLDER_1",
+        "folderId": "GENERATE_ID::FOLDER_2",
         "name": "Request 1",
         "method": "GET",
         "url": "",
@@ -39,9 +39,9 @@
       },
       {
         "model": "http_request",
-        "id": "GENERATE_ID::HTTP_REQUEST_11",
+        "id": "GENERATE_ID::HTTP_REQUEST_16",
         "workspaceId": "GENERATE_ID::WORKSPACE_1",
-        "folderId": "GENERATE_ID::FOLDER_0",
+        "folderId": "GENERATE_ID::FOLDER_1",
         "name": "Request 2",
         "method": "GET",
         "url": "",
@@ -55,7 +55,7 @@
       },
       {
         "model": "http_request",
-        "id": "GENERATE_ID::HTTP_REQUEST_12",
+        "id": "GENERATE_ID::HTTP_REQUEST_17",
         "workspaceId": "GENERATE_ID::WORKSPACE_1",
         "folderId": null,
         "name": "Request 3",
@@ -75,17 +75,21 @@
         "model": "folder",
         "sortPriority": 0,
         "workspaceId": "GENERATE_ID::WORKSPACE_1",
-        "id": "GENERATE_ID::FOLDER_0",
+        "id": "GENERATE_ID::FOLDER_1",
         "name": "Top Folder",
-        "folderId": null
+        "folderId": null,
+        "authenticationType": null,
+        "authentication": {}
       },
       {
         "model": "folder",
         "sortPriority": 1,
         "workspaceId": "GENERATE_ID::WORKSPACE_1",
-        "id": "GENERATE_ID::FOLDER_1",
+        "id": "GENERATE_ID::FOLDER_2",
         "name": "Nested Folder",
-        "folderId": "GENERATE_ID::FOLDER_0"
+        "folderId": "GENERATE_ID::FOLDER_1",
+        "authenticationType": null,
+        "authentication": {}
       }
     ]
   },
diff --git a/plugins/importer-postman/tests/fixtures/params.output.json b/plugins/importer-postman/tests/fixtures/params.output.json
index 04243fce..914834b5 100644
--- a/plugins/importer-postman/tests/fixtures/params.output.json
+++ b/plugins/importer-postman/tests/fixtures/params.output.json
@@ -31,7 +31,7 @@
     "httpRequests": [
       {
         "model": "http_request",
-        "id": "GENERATE_ID::HTTP_REQUEST_13",
+        "id": "GENERATE_ID::HTTP_REQUEST_18",
         "workspaceId": "GENERATE_ID::WORKSPACE_2",
         "folderId": null,
         "name": "Form URL",
diff --git a/plugins/importer-postman/tests/index.test.ts b/plugins/importer-postman/tests/index.test.ts
index f9d96ed3..38feec49 100644
--- a/plugins/importer-postman/tests/index.test.ts
+++ b/plugins/importer-postman/tests/index.test.ts
@@ -123,6 +123,37 @@ describe("importer-postman", () => {
     expect(keyOf(before, before?.resources.workspaces[0]?.id)).toBe("collection:collection-id");
   });
 
+  test("Falls back to the default OAuth 1 signature method for unrecognized ones", () => {
+    const result = convertPostman(
+      JSON.stringify({
+        info: {
+          name: "OAuth 1 Signature",
+          schema: "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
+        },
+        item: [
+          {
+            name: "Request",
+            request: {
+              method: "GET",
+              url: "https://yaak.app",
+              auth: {
+                type: "oauth1",
+                oauth1: [{ key: "signatureMethod", value: "HMAC-SHA384" }],
+              },
+            },
+          },
+        ],
+      }),
+    );
+
+    expect(result?.resources.httpRequests).toEqual([
+      expect.objectContaining({
+        authenticationType: "oauth1",
+        authentication: { signatureMethod: "HMAC-SHA1" },
+      }),
+    ]);
+  });
+
   test("Omits keys for items the collection never identified", () => {
     const result = convertPostman(
       JSON.stringify({