diff --git a/objects/device/definition.json b/objects/device/definition.json
index 4826bdd..3a04004 100644
--- a/objects/device/definition.json
+++ b/objects/device/definition.json
@@ -40,7 +40,13 @@
     "ip-address": {
       "description": "Device IP address",
       "ui-priority": 0,
-      "misp-attribute": "ip-src"
+      "misp-attribute": "ip-src",
+      "multiple" : true
+    },
+    "MAC-address": {
+      "description": "Device MAC address",
+      "ui-priority": 0,
+      "misp-attribute": "text"
     },
     "analysis-date": {
       "description": "Date of device analysis",
@@ -54,7 +60,7 @@
       "multiple": true
     }
   },
-  "version": 3,
+  "version": 4,
   "description": "An object to define a device",
   "meta-category": "misc",
   "uuid": "0c64b41a-e583-4f4d-ac92-d484163b9e52",
diff --git a/objects/organization/definition.json b/objects/organization/definition.json
index 966a8f5..923bdc2 100644
--- a/objects/organization/definition.json
+++ b/objects/organization/definition.json
@@ -69,7 +69,7 @@
   },
   "version": 1,
   "description": "An object which describes an organization.",
-  "meta-category": "misc",
+  "meta-category": "organization",
   "uuid": "f750e12b-127a-432c-b022-b3f9153c4e2a",
   "name": "organization"
 }
diff --git a/objects/person/definition.json b/objects/person/definition.json
index 59de239..2359536 100644
--- a/objects/person/definition.json
+++ b/objects/person/definition.json
@@ -190,7 +190,7 @@
   },
   "version": 9,
   "description": "An object which describes a person or an identity.",
-  "meta-category": "misc",
+  "meta-category": "organization",
   "uuid": "a15b0477-e9d1-4b9c-9546-abe78a4f4248",
   "name": "person"
 }
diff --git a/objects/phishing-kit/definition.json b/objects/phishing-kit/definition.json
new file mode 100644
index 0000000..7ac2e42
--- /dev/null
+++ b/objects/phishing-kit/definition.json
@@ -0,0 +1,97 @@
+
+{
+  "name": "phishing-kit",
+  "uuid": "e08eea9b-5776-4014-9b0e-a821ee890143",
+  "meta-category": "network",
+  "description": "Oject to describe a phishing-kit.",
+  "version": 1,
+  "attributes": {
+    "internal reference": {
+      "categories": [
+        "Internal reference"
+      ],
+      "misp-attribute": "text",
+      "ui-priority": 1,
+      "description": "Internal reference such as ticket ID"
+    },
+    "date-found": {
+      "multiple": true,
+      "misp-attribute": "datetime",
+      "ui-priority": 0,
+      "description": "Date when the phishing kit was found",
+      "to_ids" : false,
+      "disable_correlation" : true
+    },
+    "reference-link": {
+      "to_ids": false,
+      "multiple": true,
+      "ui-priority": 1,
+      "misp-attribute": "link",
+      "description": "Link where the Phishing Kit was observed"
+    },
+    "threat-actor-email" : {
+      "description" : "Email of the Threat Actor",
+      "multiple" : true,
+      "ui-priority" : 0,
+      "misp-attribute" : "email-src"
+    },
+    "email-type" : {
+      "description" : "Type of the Email",
+      "multiple" : false,
+      "ui-priority" : 0,
+      "misp-attribute" : "text",
+      "disable_correlation" : true
+    },
+    "kit-mailer" : {
+      "description" : "Mailer Kit Used",
+      "multiple" : true,
+      "ui-priority" : 0,
+      "misp-attribute" : "text",
+      "disable_correlation" : true
+    },
+    "target" :{
+      "description" : "What was targeted using this phishing kit",
+      "multiple" : true,
+      "ui-priority" : 1,
+      "misp-attribute" : "text"
+    },
+    "phishing-domain" : {
+      "description" : "Domain used for Phishing",
+      "multiple" : true,
+      "ui-priority" : 1,
+      "misp-attribute" : "url"
+    },
+    "online": {
+      "disable_correlation": true,
+      "misp-attribute": "text",
+      "values_list": [
+        "Yes",
+        "No"
+      ],
+      "ui-priority": 0,
+      "description": "If the phishing kit is online and operational, by default is yes"
+    },
+    "kit-url": {
+      "misp-attribute": "url",
+      "ui-priority": 1,
+      "description": "URL of Phishing Kit"
+    },
+    "threat-actor" : {
+      "description" : "Identified threat actor",
+      "ui-priority" : 0,
+      "multiple" : true,
+      "misp-attribute" : "text"
+    },
+    "kit-name" : {
+      "description" : "Name of the Phishing Kit",
+      "ui-priority" : 10,
+      "misp-attribute" : "text"
+    }
+  },
+  "requiredOneOf": [
+    "kit-url",
+    "reference-link",
+    "kit-name",
+    "kit-hash"
+  ]
+}