PRIVACY POLICY

Effective Date: May 3, 2026 | Last Updated: May 3, 2026

Publication: regantemudo.substack.com

Publisher: Regan Temudo, Panjim, Goa, India

1. Introduction

Welcome to Regan Temudo (”the Publication”), a cybersecurity and AI newsletter published at regantemudo.substack.com. This Privacy Policy explains how I collect, use, and protect your personal information when you subscribe to or interact with this publication.

By subscribing to this newsletter, you agree to the practices described in this policy. If you do not agree, please do not subscribe or interact with this publication.

This publication is operated by an individual creator (Regan Temudo) based in Goa, India, and is hosted on the Substack platform. References to “I,” “me,” or “the Publisher” refer to Regan Temudo.

2. Information I Collect

2.1 Information You Provide

When you subscribe to this newsletter, Substack collects on my behalf:

Email address (required to deliver the newsletter)
Name (optional, if provided during subscription)
Payment information for paid subscriptions (processed by Stripe via Substack I do not store your payment details)
Any information you voluntarily share when replying to issues or contacting me directly

2.2 Information Collected Automatically

Substack automatically collects certain technical data when you interact with this publication, including:

Email open rates and click data (aggregated, used to understand content performance)
IP address and device/browser information (collected by Substack’s platform)
Subscription activity (subscribe, unsubscribe, upgrade to paid)

I access this data only in aggregate form through the Substack dashboard. I do not have access to your individual IP address or device details.

3. How I Use Your Information

I use the information collected solely for the following purposes:

To deliver newsletter issues to your inbox
To manage your subscription (free or paid)
To respond to your direct messages and questions
To understand which content is most useful to subscribers (via aggregate analytics)
To notify you of new issues, updates, or changes to this publication

I do not use your information for:

Selling or renting to third parties
Targeted advertising or remarketing campaigns
Automated profiling or AI-driven decision-making about you
Any purpose unrelated to this newsletter publication

4. Data Sharing and Third Parties

I do not sell, trade, or share your personal data with third parties for commercial purposes. Your data may be processed by the following service providers solely to operate this publication:

4.1 Substack

This publication is hosted on Substack, Inc. Substack processes your email address and subscription data to deliver this newsletter. Substack’s Privacy Policy governs their data practices: substack.com/privacy

4.2 Stripe

Paid subscriptions are processed by Stripe via Substack’s payment infrastructure. I do not have access to your full payment card details. Stripe’s Privacy Policy applies to all payment processing: stripe.com/privacy

5. Data Retention

Your data is retained for as long as you maintain an active subscription. If you unsubscribe, Substack will manage the deletion of your subscriber data in accordance with their data retention policies.

Emails you send me directly may be retained for reasonable business purposes (e.g., to maintain context of ongoing conversations). You may request deletion of such correspondence at any time by contacting me.

6. Your Rights

Depending on your location, you may have the following rights regarding your personal data:

Access: Request a copy of the personal data I hold about you
Correction: Request correction of inaccurate personal data
Deletion: Request deletion of your personal data (unsubscribe + deletion request)
Objection: Object to processing of your personal data for certain purposes
Portability: Request transfer of your data in a machine-readable format

To exercise any of these rights, contact me at: regantemudo@substack.com

Subscribers in the European Union (EU/EEA) or United Kingdom may also have rights under GDPR. Subscribers in California (USA) may have rights under CCPA. Subscribers in India are protected under the Digital Personal Data Protection Act, 2023 (DPDPA). I am committed to honoring applicable rights regardless of your location.

7. Cookies and Tracking

I do not directly set cookies on your device. However, Substack’s platform may use cookies and similar tracking technologies when you visit the web version of this publication. Please refer to Substack’s Cookie Policy for details.

Email open tracking (pixel tracking) is a standard feature of Substack’s email delivery. If you prefer not to be tracked, you can disable image loading in your email client however, this may affect how the newsletter renders.

8. Security

The security of your data is important to me. This publication relies on Substack’s security infrastructure, which includes encryption in transit (TLS), access controls, and regular security audits.

As a cybersecurity professional, I take data security seriously. However, no method of transmission over the internet is 100% secure. I cannot guarantee absolute security of your data but commit to following best practices and promptly notifying subscribers in the event of a breach affecting their data.

9. Children’s Privacy

This publication is intended for adults aged 18 and over. I do not knowingly collect personal data from individuals under 18. If you believe a minor has subscribed, please contact me immediately and I will remove their data.

10. Changes to This Policy

I may update this Privacy Policy from time to time. When I do, I will notify subscribers via a newsletter issue and update the “Last Updated” date at the top of this document. Continued subscription after notice of changes constitutes acceptance of the updated policy.

Material changes will always be communicated directly to subscribers before they take effect.

11. Contact

If you have questions, concerns, or requests regarding this Privacy Policy or your personal data, contact me at:

Regan Temudo

Email: regantemudo@substack.com

Publication: regantemudo.substack.com

Location: Panjim, Goa, India

I aim to respond to all privacy-related requests within 90 days.

Regan Temudo · regantemudo.substack.com · Goa, India · 2026