diff --git a/common/config/main.php b/common/config/main.php
index 793bdb35..c4a96a16 100644
--- a/common/config/main.php
+++ b/common/config/main.php
@@ -28,7 +28,7 @@
         ],
         'reCaptcha' => [
             'class' => 'common\components\ReCaptcha',
-            'secretKey' => "6Lei9R4pAAAAAD5-OIUbCZeMQ00saNLKNuU62b4v"
+            'secretKey' => getenv('RECAPTCHA_SECRET_KEY') ?: '',
         ],
         'jwt' => [
             'class' => 'common\components\JWT'
@@ -38,20 +38,18 @@
         ],
         'jira' => [
             'class' => 'common\components\JiraComponent',
-            'jiraUrl' => 'https://bawes-studenthub.atlassian.net',
-            'email' => 'kk@bawes.net',
-            'apiToken' => 'eYVHMtAi16zN56M2PS3gB8AB'
+            'jiraUrl' => getenv('JIRA_URL') ?: '',
+            'email' => getenv('JIRA_EMAIL') ?: '',
+            'apiToken' => getenv('JIRA_API_TOKEN') ?: '',
         ],
         'algolia' => [
             'class' => 'common\components\Algolia',
-            'appId' => 'VQF0F2SG4Y',
-            'apiKey' => 'bce91c65c212d2bb20c079eb15c2283b', 
-           // 'publicKey' => '381f91f1c08f4d2788a6821cad1ccbbb'
+            'appId' => getenv('ALGOLIA_APP_ID') ?: '',
+            'apiKey' => getenv('ALGOLIA_API_KEY') ?: '',
         ],
         'ipstack' => [
             'class' => 'common\components\Ipstack',
-            //'accessKey' => 'fac3c2117d877e078e3e8fa7839d8204'
-            'accessKey' => '911bdd76f42e7f'
+            'accessKey' => getenv('IPINFO_ACCESS_TOKEN') ?: '',
         ],
         'cloudinaryManager' => [
             'class' => 'common\components\CloudinaryManager',
@@ -70,7 +68,7 @@
         ],
         'slack' => [
             'class' => 'understeam\slack\Client',
-            'url' => 'https://hooks.slack.com/services/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',
+            'url' => getenv('SLACK_WEBHOOK_URL') ?: '',
             'username' => 'StudentHub',
         ],
         'auth0' => [
diff --git a/common/config/params.php b/common/config/params.php
index c5735aa3..b9e788ba 100644
--- a/common/config/params.php
+++ b/common/config/params.php
@@ -13,7 +13,7 @@
     'salaryDay' => 5, //salary should get transfer by 5th day of every month
     'payment_notice_period' => '-35 days',
     'candidate_photo' => 'https://res.cloudinary.com/studenthub/image/upload/v1596525812/',
-    'google_api_key' => 'AIzaSyBSM8o4WSIIRn-sNhn-PvO2s0ovZuLDAaw',
+    'google_api_key' => getenv('GOOGLE_MAPS_BROWSER_API_KEY') ?: '',
     'mailThreshold' => 500,
     "aws_temp_access_key_id" => getenv('AWS_TEMP_BUCKET_KEY') ?: '',
     "aws_temp_secret_access_key" => getenv('AWS_TEMP_BUCKET_SECRET') ?: '',
diff --git a/docs/setup.md b/docs/setup.md
index 53550fa5..bf93f9e1 100644
--- a/docs/setup.md
+++ b/docs/setup.md
@@ -36,6 +36,23 @@ Use the provided script in the project root:
 ### PHP Extensions
 Required: exif, pdo_mysql
 
+### Third-Party Integration Environment Variables
+
+Configure these values in the runtime environment instead of committing service credentials:
+
+| Variable | Purpose |
+| --- | --- |
+| `GOOGLE_MAPS_API_KEY` | Server-side Google Maps component key |
+| `GOOGLE_MAPS_BROWSER_API_KEY` | Browser-facing Google Maps key exposed through app params |
+| `RECAPTCHA_SECRET_KEY` | Server-side reCAPTCHA verification secret |
+| `JIRA_URL` | Jira instance URL |
+| `JIRA_EMAIL` | Jira API account email |
+| `JIRA_API_TOKEN` | Jira API token |
+| `ALGOLIA_APP_ID` | Algolia application ID |
+| `ALGOLIA_API_KEY` | Algolia API key |
+| `IPINFO_ACCESS_TOKEN` | IP geolocation lookup token |
+| `SLACK_WEBHOOK_URL` | Slack incoming webhook URL |
+
 ### Puppeteer Setup
 ```bash
 curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
@@ -56,4 +73,4 @@ cd console && ../yii algolia/index candidate
 ```bash
 ./yii cron/update-candidate-stats
 ./yii cron/update-company-stats
-``` 
\ No newline at end of file
+```
diff --git a/scripts/check-thirdparty-key-hardening.py b/scripts/check-thirdparty-key-hardening.py
new file mode 100755
index 00000000..cfbdc1c1
--- /dev/null
+++ b/scripts/check-thirdparty-key-hardening.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+"""Fail if third-party integration credentials are hardcoded in config."""
+
+from __future__ import annotations
+
+import re
+import sys
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+
+CHECKS = [
+    (
+        ROOT / "common/config/main.php",
+        [
+            re.compile(r"6L[0-9A-Za-z_-]{30,}"),
+            re.compile(r"AIza[0-9A-Za-z_-]{20,}"),
+            re.compile(r"https://hooks\.slack\.com/services/[^'\"\s]+"),
+            re.compile(r"'apiToken'\s*=>\s*['\"][^'\"]+['\"]"),
+            re.compile(r"'apiKey'\s*=>\s*['\"][a-f0-9]{24,}['\"]", re.I),
+            re.compile(r"'accessKey'\s*=>\s*['\"][a-f0-9]{12,}['\"]", re.I),
+        ],
+    ),
+    (
+        ROOT / "common/config/params.php",
+        [
+            re.compile(r"AIza[0-9A-Za-z_-]{20,}"),
+            re.compile(r"'google_api_key'\s*=>\s*['\"][^'\"]+['\"]"),
+        ],
+    ),
+]
+
+
+def main() -> int:
+    failures: list[str] = []
+    for path, patterns in CHECKS:
+        text = path.read_text()
+        for pattern in patterns:
+            for match in pattern.finditer(text):
+                line = text.count("\n", 0, match.start()) + 1
+                failures.append(f"{path.relative_to(ROOT)}:{line}: {pattern.pattern}")
+
+    if failures:
+        print("Third-party key hardening check failed:")
+        for failure in failures:
+            print(f"  - {failure}")
+        return 1
+
+    print("Third-party key hardening check passed.")
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())