đź“… Webinar - Delivering Security on Your Terms: An Intro to Self-Hosted

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đź“… Webinar - Delivering Security on Your Terms: An Intro to Self-Hosted

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My Klaviyo API Key leaked! What should I do?

What is a Klaviyo API Key and how it is used?

An API Key for Klaviyo is a unique identifier that allows access to the Klaviyo API, enabling developers to programmatically interact with Klaviyo's email marketing platform.

When using the Klaviyo API Key, developers should be aware of the following main use cases:

  • Accessing Klaviyo API endpoints to retrieve or update data in Klaviyo's system.
  • Integrating Klaviyo with other tools or services to automate marketing campaigns or data synchronization.
  • Securing communication between the developer's application and Klaviyo's platform by authenticating requests.

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1. Code snippets to prevent Klaviyo API Key hardcoding using environment variables

Using environment variables for storing sensitive information like API keys, such as the Klaviyo API Key, is a secure practice for several reasons:

  • Environment variables are not hard-coded in the codebase, reducing the risk of accidental exposure through version control systems or code sharing.
  • Environment variables are stored outside of the codebase, making it harder for attackers to access them directly.
  • Environment variables can be easily managed and updated without needing to modify the code, enhancing security by allowing quick rotation of keys in case of a breach.
  • Environment variables are typically encrypted when stored on the server, providing an additional layer of protection for sensitive information.

How to secure your secrets using environment variables

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2. Code snippet to prevent Klaviyo API Key hardcoding using AWS Secrets Manager

Using AWS Secrets Manager to manage Klaviyo API Keys is a secure way to handle sensitive data. Here are code snippets in five different programming languages that demonstrate how to retrieve the Klaviyo API Key from AWS Secrets Manager.

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3. Code snippet to prevent Klaviyo API Key hardcoding using HashiCorp Vault

Using HashiCorp Vault for managing Klaviyo API Keys is a great way to enhance security. Here are code snippets in five different programming languages for securely handling a Klaviyo API Key using HashiCorp Vault.

Remember to replace the VAULT_ADDR and VAULT_TOKEN with your Vault server address and authentication token. The snippets assume that the Klaviyo API Key is stored under the api_key field within Vault. The specifics of the Vault path and field names should be adjusted to match your Vault setup.

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4. Code snippet to prevent Klaviyo API Key hardcoding using CyberArk Conjur

Using CyberArk Conjur to manage Klaviyo API Key is a secure way to handle sensitive data. Here are code snippets in five different programming languages that demonstrate how to retrieve the Klaviyo API Key from CyberArk Conjur.

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How to generate a Klaviyo API Key?

To generate a Klaviyo API Key, follow these steps:

  1. Log in to your Klaviyo account.
  2. Click on your account name at the top right corner and select "Account" from the dropdown menu.
  3. Go to the "Settings" tab and select "API Keys" from the left-hand menu.
  4. Click on the "Create API Key" button.
  5. Give your API Key a name for easy reference.
  6. Choose the appropriate permissions for the API Key based on your needs.
  7. Click on the "Create API Key" button to generate the API Key.

Once the API Key is generated, make sure to copy and securely store it as it will be needed to authenticate API requests to Klaviyo.

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My Klaviyo API Key leaked, what are the possible reasons?

There are several reasons why a Klaviyo API Key might have been leaked:

  • Weak or compromised credentials: If developers use weak passwords or reuse passwords across multiple accounts, it increases the risk of their credentials being compromised.
  • Improper storage: Storing API keys in plain text files, hardcoding them in source code, or committing them to public repositories can lead to accidental exposure.
  • Insufficient access controls: Failing to restrict access to API keys to only authorized personnel or services can result in unauthorized access.
  • Phishing attacks: Developers falling victim to phishing scams may unknowingly provide their API keys to malicious actors.
  • Unsecure communication: Transmitting API keys over unencrypted channels or using insecure protocols can make them susceptible to interception.

What are the risks of leaking a Klaviyo API Key

When it comes to the Klaviyo API Key, developers need to be fully aware of the risks associated with leaking this sensitive information. Here are some key points to consider:

  • Unauthorized Access: If a Klaviyo API Key is leaked, unauthorized individuals could potentially gain access to sensitive data stored in Klaviyo, such as customer information, email campaigns, and analytics.
  • Data Breaches: A leaked API Key could lead to a data breach, resulting in reputational damage, financial losses, and legal consequences for the organization.
  • Misuse of Resources: Attackers could misuse the Klaviyo API Key to send spam emails, manipulate data, or disrupt services, causing harm to both the organization and its customers.
  • Compliance Violations: Depending on the industry, leaking a Klaviyo API Key could lead to non-compliance with data protection regulations such as GDPR, HIPAA, or PCI DSS.

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Klaviyo API Key security best practices

  • Avoid embedding the secret directly in your code. Instead, use environment variables or secrets managers‍
  • Secure storage: store the Klaviyo API Key in a secure location, such as a password manager or a secrets management service.
  • Regular rotation: periodically rotate the API key to minimize the risk of long-term exposure.
  • Restrict permissions: apply the principle of least privilege by only granting the key the minimum necessary permissions.
  • Monitor usage: regularly check the usage logs for any unusual activity or unauthorized access attempts.
  • Implement access controls: limit the number of users who have access to the secret and enforce strong authentication measures.
  • Use a secrets manager: utilize secret management tools like CyberArk or AWS Secrets Manager for enhanced security.

By adhering to the best practices, you can significantly reduce the risk associated with Klaviyo API Key usage and improve the overall security of your Klaviyo API Key implementations.

Exposing secrets on GitHub: What to do after leaking Credential and API keys

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Klaviyo API Key leak remediation: what to do

What to do if you expose a secret: How to stay calm and respond to an incident [cheat sheet included]

How to check if Klaviyo API Key was used by malicious actors

  • Review Access Logs: Check the access logs of your Klaviyo API Key account for any unauthorized access or unusual activity. Pay particular attention to access from unfamiliar IP addresses (if you haven’t set up a specific allow list) or at odd hours.
  • Monitor Usage Patterns: Look for anomalies in the usage patterns, such as unexpected spikes in data access or transfer.
  • Check Active Connections and Operations: Review the list of active connections and recent operations on your database. Unusual or unauthorized operations might indicate malicious use.
  • Audit API Usage: If possible, audit the usage of your API key through any logging or monitoring services you have integrated with Klaviyo API Key. This can give insights into any unauthorized use of your key.

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Steps to revoke the Klaviyo API Key

Generate a new Klaviyo API Key:

  • Log into your Klaviyo API Key account.
  • Navigate to the API section and generate a new API key.

Update Services with the new key:

  • Replace the compromised key with the new key in all your services that use this API key.
  • Ensure all your applications and services are updated with the new key before deactivating the old one.

Deactivate the old Klaviyo API Key:

  • Once the new key is in place and everything is functioning correctly, deactivate the old API key.
  • This can typically be done from the same section where you generated the new key.

Monitor after key rotation:

  • After deactivating the old key, monitor your systems closely to ensure that all services are running smoothly and that there are no unauthorized access attempts.

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How to understand which services will stop working

  • Inventory of services: keep an inventory of all services and applications that utilize your Klaviyo API Key.
  • Communication and documentation: Ensure that your team is aware of which services are dependent on the key. Maintain documentation for quick reference.
  • Testing: before deactivating the old key, test your services with the new key in a staging environment. This helps in identifying any services that might face issues post rotation.
  • Fallback strategies: Have a fallback or emergency plan in case a critical service fails after the key rotation. This might include temporary measures or quick rollback procedures.

In summary, the remediation process involves identifying potential misuse, carefully rotating the key, and ensuring minimal disruption to services. Being proactive and having a well-documented process can greatly reduce the risks associated with a compromised API key.

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What about other secrets?

GitGuardian helps developers keep 350+ types of secrets out of source code. GitGuardian’s automated secrets detection and remediation solution secure every step of the development lifecycle, from code to cloud:

  • On developer workstations with git hooks (pre-commit and pre-push);
  • On code sharing platforms like GitHub, GitLab, and Bitbucket;
  • In CI environments (Circle CI, Travis CI, Jenkins CI, GitHub Actions, and many more);
  • In Docker images.

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Environment Variables
Environment Variables
Environment Variables

charge

nullable string

For card errors, the ID of the failed charge.

payment_method_type

nullable string

If the error is specific to the type of payment method, the payment method type that had a problem. This field is only populated for invoice-related errors.

doc_url

nullable string

A URL to more information about the error code reported.

request_log_url

nullable string

A URL to the request log entry in your dashboard.

charge

nullable string

If the error is specific to the type of payment method, the payment method type that had a problem. This field is only populated for invoice-related errors.

Hide
Show
child attributes

type

enum

For some errors that could be handled programmatically, a short string indicating the error code reported.

charge

nullable string

If the error is specific to the type of payment method, the payment method type that had a problem. This field is only populated for invoice-related errors.

Hide
Show
child attributes

type

enum

For some errors that could be handled programmatically, a short string indicating the error code reported.

payment_intent

nullable object

The PaymentIntent object for errors returned on a request involving a PaymentIntent.

setup_intent

nullable object

The SetupIntent object for errors returned on a request involving a SetupIntent.

Hide
Show
child attributes

type

enum

For some errors that could be handled programmatically, a short string indicating the error code reported.

Hide
Show
child attributes

type

enum

For some errors that could be handled programmatically, a short string indicating the error code reported.

CLIENT LIBRARIES

$ gem install stripe
$ pip install stripe
$ composer require stripe/stripe-php
MAVEN
<dependency>
  <groupId>com.stripe</groupId>
  <artifactId>stripe-java</artifactId>
  <version>24.16.0</version>
</dependency>

GRADLE
compile "com.stripe:stripe-java:24.16.0"
$ npm install --save stripe
$ go get github.com/stripe/stripe-go/v76
$ nuget install Stripe.net
SHOW
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