diff --git a/app.js b/app.js
index cc08a00..60b25b2 100644
--- a/app.js
+++ b/app.js
@@ -1,4 +1,5 @@
 const express = require('express');
+const helmet = require('helmet');
 const morgan = require('morgan');
 const chalk = require('chalk');
 
@@ -27,6 +28,22 @@ function errorHandler(error, res) {
 
 app.set('json escape', true);
 
+app.use(helmet({
+  dnsPrefetchControl: false,
+  frameguard: {
+    action: 'deny'
+  }
+}));
+
+app.use(helmet.hsts({
+  force: true,
+  includeSubDomains: true,
+  maxAge: 63072000, // 2 years
+  preload: true
+}));
+
+app.use(helmet.referrerPolicy({ policy: 'strict-origin-when-cross-origin' }));
+
 app.use(morgan(':remote-addr :remote-user :method :url :status :res[content-length] - :response-time ms'));
 app.use((req, res, next) => {
   res.setHeader('Cache-Control', 'no-cache');
diff --git a/package-lock.json b/package-lock.json
index f52822c..e9867ca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -250,6 +250,11 @@
         }
       }
     },
+    "bowser": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/bowser/-/bowser-2.9.0.tgz",
+      "integrity": "sha512-2ld76tuLBNFekRgmJfT2+3j5MIrP6bFict8WAIT3beq+srz1gcKNAdNKMqHqauQt63NmAa88HfP1/Ypa9Er3HA=="
+    },
     "boxen": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/boxen/-/boxen-1.3.0.tgz",
@@ -358,6 +363,11 @@
       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
       "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg=="
     },
+    "camelize": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/camelize/-/camelize-1.0.0.tgz",
+      "integrity": "sha1-FkpUg+Yw+kMh5a8HAg5TGDGyYJs="
+    },
     "capture-stack-trace": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/capture-stack-trace/-/capture-stack-trace-1.0.1.tgz",
@@ -535,6 +545,11 @@
         "safe-buffer": "5.1.2"
       }
     },
+    "content-security-policy-builder": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/content-security-policy-builder/-/content-security-policy-builder-2.1.0.tgz",
+      "integrity": "sha512-/MtLWhJVvJNkA9dVLAp6fg9LxD2gfI6R2Fi1hPmfjYXSahJJzcfvoeDOxSyp4NvxMuwWv3WMssE9o31DoULHrQ=="
+    },
     "content-type": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
@@ -591,6 +606,11 @@
       "integrity": "sha1-ojD2T1aDEOFJgAmUB5DsmVRbyn4=",
       "dev": true
     },
+    "dasherize": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/dasherize/-/dasherize-2.0.0.tgz",
+      "integrity": "sha1-bYCcnNDPe7iVLYD8hPoT1H3bEwg="
+    },
     "debug": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
@@ -634,6 +654,11 @@
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
     },
+    "dns-prefetch-control": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/dns-prefetch-control/-/dns-prefetch-control-0.2.0.tgz",
+      "integrity": "sha512-hvSnros73+qyZXhHFjx2CMLwoj3Fe7eR9EJsFsqmcI1bB2OBWL/+0YzaEaKssCHnj/6crawNnUyw74Gm2EKe+Q=="
+    },
     "doctrine": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
@@ -643,6 +668,11 @@
         "esutils": "^2.0.2"
       }
     },
+    "dont-sniff-mimetype": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/dont-sniff-mimetype/-/dont-sniff-mimetype-1.1.0.tgz",
+      "integrity": "sha512-ZjI4zqTaxveH2/tTlzS1wFp+7ncxNZaIEWYg3lzZRHkKf5zPT/MnEG6WL0BhHMJUabkh8GeU5NL5j+rEUCb7Ug=="
+    },
     "dot-prop": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-4.2.0.tgz",
@@ -924,6 +954,11 @@
         }
       }
     },
+    "expect-ct": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/expect-ct/-/expect-ct-0.2.0.tgz",
+      "integrity": "sha512-6SK3MG/Bbhm8MsgyJAylg+ucIOU71/FzyFalcfu5nY19dH8y/z0tBJU0wrNBXD4B27EoQtqPF/9wqH0iYAd04g=="
+    },
     "express": {
       "version": "4.17.1",
       "resolved": "https://registry.npmjs.org/express/-/express-4.17.1.tgz",
@@ -1000,6 +1035,11 @@
       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
       "dev": true
     },
+    "feature-policy": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/feature-policy/-/feature-policy-0.3.0.tgz",
+      "integrity": "sha512-ZtijOTFN7TzCujt1fnNhfWPFPSHeZkesff9AXZj+UEjYBynWNUIYpC87Ve4wHzyexQsImicLu7WsC2LHq7/xrQ=="
+    },
     "figlet": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/figlet/-/figlet-1.3.0.tgz",
@@ -1095,6 +1135,11 @@
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
       "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
     },
+    "frameguard": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/frameguard/-/frameguard-3.1.0.tgz",
+      "integrity": "sha512-TxgSKM+7LTA6sidjOiSZK9wxY0ffMPY3Wta//MqwmX0nZuEHc8QrkV8Fh3ZhMJeiH+Uyh/tcaarImRy8u77O7g=="
+    },
     "fresh": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
@@ -1216,6 +1261,76 @@
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
       "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ=="
     },
+    "helmet": {
+      "version": "3.21.3",
+      "resolved": "https://registry.npmjs.org/helmet/-/helmet-3.21.3.tgz",
+      "integrity": "sha512-8OjGNdpG3WQhPO71fSy2fT4X3FSNutU1LDeAf+YS+Vil6r+fE7w8per5mNed6egGYbZl3QhKXgFzMYSwys+YQw==",
+      "requires": {
+        "depd": "2.0.0",
+        "dns-prefetch-control": "0.2.0",
+        "dont-sniff-mimetype": "1.1.0",
+        "expect-ct": "0.2.0",
+        "feature-policy": "0.3.0",
+        "frameguard": "3.1.0",
+        "helmet-crossdomain": "0.4.0",
+        "helmet-csp": "2.9.5",
+        "hide-powered-by": "1.1.0",
+        "hpkp": "2.0.0",
+        "hsts": "2.2.0",
+        "ienoopen": "1.1.0",
+        "nocache": "2.1.0",
+        "referrer-policy": "1.2.0",
+        "x-xss-protection": "1.3.0"
+      },
+      "dependencies": {
+        "depd": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
+          "integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw=="
+        }
+      }
+    },
+    "helmet-crossdomain": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/helmet-crossdomain/-/helmet-crossdomain-0.4.0.tgz",
+      "integrity": "sha512-AB4DTykRw3HCOxovD1nPR16hllrVImeFp5VBV9/twj66lJ2nU75DP8FPL0/Jp4jj79JhTfG+pFI2MD02kWJ+fA=="
+    },
+    "helmet-csp": {
+      "version": "2.9.5",
+      "resolved": "https://registry.npmjs.org/helmet-csp/-/helmet-csp-2.9.5.tgz",
+      "integrity": "sha512-w9nps5adqFQwgktVPDbXkARmZot/nr8aegzQas9AXdBSwBFBBefPpDSTV0wtgHlAUdDwY6MZo7qAl9yts3ppJg==",
+      "requires": {
+        "bowser": "2.9.0",
+        "camelize": "1.0.0",
+        "content-security-policy-builder": "2.1.0",
+        "dasherize": "2.0.0"
+      }
+    },
+    "hide-powered-by": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/hide-powered-by/-/hide-powered-by-1.1.0.tgz",
+      "integrity": "sha512-Io1zA2yOA1YJslkr+AJlWSf2yWFkKjvkcL9Ni1XSUqnGLr/qRQe2UI3Cn/J9MsJht7yEVCe0SscY1HgVMujbgg=="
+    },
+    "hpkp": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/hpkp/-/hpkp-2.0.0.tgz",
+      "integrity": "sha1-EOFCJk52IVpdMMROxD3mTe5tFnI="
+    },
+    "hsts": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/hsts/-/hsts-2.2.0.tgz",
+      "integrity": "sha512-ToaTnQ2TbJkochoVcdXYm4HOCliNozlviNsg+X2XQLQvZNI/kCHR9rZxVYpJB3UPcHz80PgxRyWQ7PdU1r+VBQ==",
+      "requires": {
+        "depd": "2.0.0"
+      },
+      "dependencies": {
+        "depd": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
+          "integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw=="
+        }
+      }
+    },
     "http-errors": {
       "version": "1.7.2",
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.2.tgz",
@@ -1241,6 +1356,11 @@
         "safer-buffer": ">= 2.1.2 < 3"
       }
     },
+    "ienoopen": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/ienoopen/-/ienoopen-1.1.0.tgz",
+      "integrity": "sha512-MFs36e/ca6ohEKtinTJ5VvAJ6oDRAYFdYXweUnGY9L9vcoqFOU4n2ZhmJ0C4z/cwGZ3YIQRSB3XZ1+ghZkY5NQ=="
+    },
     "ignore": {
       "version": "4.0.6",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
@@ -1744,6 +1864,11 @@
       "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
       "dev": true
     },
+    "nocache": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/nocache/-/nocache-2.1.0.tgz",
+      "integrity": "sha512-0L9FvHG3nfnnmaEQPjT9xhfN4ISk0A8/2j4M37Np4mcDesJjHgEUfgPhdCyZuFI954tjokaIj/A3NdpFNdEh4Q=="
+    },
     "node-cache": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/node-cache/-/node-cache-5.1.0.tgz",
@@ -2096,6 +2221,11 @@
         "picomatch": "^2.0.7"
       }
     },
+    "referrer-policy": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/referrer-policy/-/referrer-policy-1.2.0.tgz",
+      "integrity": "sha512-LgQJIuS6nAy1Jd88DCQRemyE3mS+ispwlqMk3b0yjZ257fI1v9c+/p6SD5gP5FGyXUIgrNOAfmyioHwZtYv2VA=="
+    },
     "regexpp": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-2.0.1.tgz",
@@ -2762,6 +2892,11 @@
         "signal-exit": "^3.0.2"
       }
     },
+    "x-xss-protection": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/x-xss-protection/-/x-xss-protection-1.3.0.tgz",
+      "integrity": "sha512-kpyBI9TlVipZO4diReZMAHWtS0MMa/7Kgx8hwG/EuZLiA6sg4Ah/4TRdASHhRRN3boobzcYgFRUFSgHRge6Qhg=="
+    },
     "xdg-basedir": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",
diff --git a/package.json b/package.json
index b3e8229..4270fbe 100644
--- a/package.json
+++ b/package.json
@@ -38,6 +38,7 @@
     "country-code-lookup": "0.0.16",
     "emoji-flags": "^1.2.0",
     "express": "^4.17.1",
+    "helmet": "^3.21.3",
     "humanize-number": "0.0.2",
     "lodash": "^4.17.15",
     "moment": "^2.24.0",