Stop Hackers: Fix Substack Data Breach Now

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Posted: February 8, 2026 | Type: cybersecurity | Read time: 4 min

Stop Hackers: Fix Substack Data Breach Now

Substack had a big hack. Your data is at risk. Fix it now with simple steps.

The Problem for NZ Firms

Substack had a big hack. Email and phone numbers were stolen. This happened months ago. Firms in NZ were using it for newsletters and marketing. Some Kiwi businesses lost data. They did not even know. Hackers got into systems. They took user info.

Tiny businesses in places like Auckland and Wellington use Substack. They post blogs. They send out newsletters. Now hackers have their contact lists. This can lead to fake emails. This can lead to phone fraud. It can get worse.

What This Means

Your customers trust you. They gave you their phone numbers. They gave you their emails. Now hackers can use this. They can send fake messages. They can pretend to be you. They can get into your accounts. They can take money.

Think of a leaky tap. Water gets out. It makes a mess. It can cause damage. Your data is like that tap. It leaks. It can ruin your business. It can cost you money.

Key Point: Hackers took your customer info. You must fix it now. Do not wait.

Why Kiwis Should Care

The NZ Privacy Act 2020 says you must protect data. Firms in NZ must report breaches. Not doing this can get fines. Big fines. Up to $10,000 per event. You can lose customer trust. You can lose money. You can face legal action. You can lose your business.

Many Kiwi businesses use Substack. They use it for blogs and newsletters. Now they are at risk. Hackers can get into their accounts. They can send fake messages. This can cost Kiwis money. This can ruin their reputation. This can hurt their business.

The Fix

You can fix this now. Change passwords. Use two-factor codes. Check your accounts. Keep an eye on your system. Do these steps. Do them all. Do them today.

Fixing this is not hard. It is not scary. It takes time. You can do it. No need for big tech jargon. Just follow steps. Get help if you need it. Your business is worth it.

What To Do Now

  1. Change Your Passwords – Pick strong passwords. Do this for all your accounts.
  2. Enable 2FA – Add a code. Get this on your phone. Or use an app.
  3. Monitor Your Accounts – Check your login history. See if anything looks odd.
  4. Backup Your Data – Save copies of your work. Keep them safe. Store them offline.

Real NZ Results

A small café in Auckland used Substack. Hackers got their customer list. They changed passwords. They added 2FA. They stopped fake emails. Their customers stayed safe. Their business kept growing. They did it in one week.

Pro Tip: Use a password manager. It makes strong passwords easy to use.

Common Questions

Is my data safe on Substack?

Hackers got into it. They took some info. Your data may be at risk. You must fix it now.

How can I stop fake emails?

Use two-factor codes. Check who logs in. Use a good email filter. These steps help.

Need Help with Cybersecurity?

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