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Security

Bug Bounties and Black Swans: How Heroku Expects the Unexpectable

There’s obviously more to security than humans, technology, and vendors with all of their implementations and expertise. At Heroku we believe that security is a byproduct of excellence in engineering.

All too often, software is written solely with the happy path in mind, and security assurances of that software has its own dangerous assumptions. A mature security program should challenge assumptions of security controls, move to testing continuously, and prepare for the unexpectable.

This means …

Ten Ways to Secure your Applications

This blog post is adapted from a talk given by Joe Kutner at Devoxx 2018 titled "10 Mistakes Hackers Want You to Make."

Building self-defending applications and services is no longer aspirational–it’s required. Applying security patches, handling passwords correctly, sanitizing inputs, and properly encoding output is now table stakes. Our attackers keep getting better, and so must we.

In this blog post, we'll take a look at several commonly overlooked ways to secure …

Improving the SSO Experience: CLI Login and Certificate Management

We are happy to announce two major improvements to our SSO experience for Heroku Enterprise customers: easier SSO login for users via the Heroku CLI, and the ability for admins to add more than one certificate at the Enterprise Team level.

Logging into all your different cloud applications can be a pain. We know that many of you like to use Heroku via the command line interface and in your web browser side-by-side, and until …

VPN Support for Heroku Private Spaces

Today we're excited to announce Site-to-Site Virtual Private Network (VPN) support for Heroku Private Spaces. Heroku customers can now establish secure, site-to-site IPsec connections between Private Spaces on Heroku and their offices, datacenters and deployments on non-AWS clouds.

VPN is a powerful, proven and widely-adopted technology for securely combining multiple networks (or adding individual hosts to a network) over encrypted links that span the public Internet. VPN is well-understood and in use by most enterprise IT departments, and is supported on all major cloud providers and by a range of hardware and software-based systems.

Internal Routing for Private Space Apps

Today we’re announcing a powerful new network control for apps running in Heroku Private Spaces: Internal Routing. Apps with Internal Routing work exactly the same as other Heroku apps, except the web process type is published to an endpoint that’s routable only within the Private Space and on VPC and VPN peered networks (see the Private Space VPN support companion post). Apps with Internal Routing are impossible to access directly from the public internet, improving security and simplifying management and compliance checks for web sites, APIs and services that must not be publicly accessible.

Applying Seccomp Filters at Runtime for Go Binaries

Seccomp (short for security computing mode) is a useful feature provided by the Linux kernel since 2.6.12 and is used to control the syscalls made by a process. Seccomp has been implemented by numerous projects such as Docker, Android, OpenSSH and Firefox to name a few.

In this blog post, I am going to show you how you can implement your own seccomp filters, at runtime, for a Go binary on your Dyno.

Why Use …

Announcing ISO 27001, 27017, 27018 Certification and SOC2 Type I Attestation

Today we are proud to announce that Heroku has achieved several important compliance milestones that provide third party validation of our security best practices:

  • ISO 27001 Certification: Widely recognized and internationally accepted information security standard that specifies security management best practices and comprehensive security controls following ISO 27002 best practices guidance.
  • ISO 27017 Certification: A standard that provides additional guidance and implementation advice on information security aspects specific to cloud computing.
  • ISO 27018 Certification: Establishes
    • …

An Update on Redis Vulnerabilities and Patching

On May 10, 2018, we received notice about two critical vulnerabilities in Redis, both embargoed until this morning.

Upon this notice, our Data Infrastructure team proceeded to patch all internal and customer databases in response to these vulnerabilities. As of today, all customer databases have been patched successfully.

At Heroku, customer trust is our most important value – and we are grateful to have your trust in keeping a globally-distributed data fleet safe from …

Securing Dependencies for Rails 5.2 Active Storage

The Public Cloud Security (PCS) group at Salesforce partners very closely with Heroku engineering to review and advise on new product features across the platform, from infrastructure to applications. One of the most rewarding aspects about this partnership and working on this team for me is when we not only identify security concerns, but take an active role in building safe solutions.

Heroku recently announced support for Active Storage in Rails 5.2, which introduces the …

Ruby CVE-2017-17405: Vulnerability in Ruby’s FTP Implementation

At Heroku we consistently monitor vulnerability feeds for new issues. Once a new vulnerability drops, we jump into action to triage and determine how our platform and customers may be affected. Part of this process involves evaluating possible attack scenarios not included in the original vulnerability report. We also spend time looking for “adjacent” and similar bugs in other products. The following Ruby vulnerability was identified during this process.

Vulnerability Triage

A vulnerability, CVE-2017-8817, …

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