Blog Post Jan 28, 2025

Embracing shorter SSL/TLS certificate lifespans and automation for stronger security

The move to shorter SSL/TLS certificate lifespans, driven by industry leaders like Apple and Google, enhances security by reducing risks from key compromise and outdated cryptographic methods. However, shorter durations require automated certificate management to avoid manual renewal challenges, reduce human error, and scale efficiently. Automated solutions ensure seamless certificate lifecycle management, bolstering compliance, operational efficiency, and digital trust.

1. Long SSL/TLS lifespans and risks

2. Every certificate should be a managed certificate

3. Scaling with automation

4. The move forward

The push to shorten SSL/TLS certificate lifespans has been a long time coming, reflecting years of industry efforts to enhance security in an increasingly complex digital landscape. In 2012, certificates were commonly valid for up to five years. By 2015, this was reduced to a maximum of three years, in 2018 further limited to two years, and continued in 2020 when the maximum lifespan was restricted to 398 days. Industry leaders like Apple and Google are now advocating for even shorter durations, with proposals as brief as 90 or even 47 days. While these changes may initially seem burdensome to IT teams, they offer clear advantages for strengthening organizational security. When combined with automated management solutions, shorter certificate lifespans represent a forward-looking approach to safeguarding digital environments.

Long SSL/TLS lifespans and risks

Historically, when SSL/TLS certificates were valid for multiple years, organizations could issue certificates and 'manage’ them in a spreadsheet, or not at all, until the next renewal cycle. At this time there were fewer web servers, less reliance on load balancers and fewer certificates overall to manage. Times have changed and the proliferation of certificates means that the risk of system outage due to certificate expiry has increased dramatically.

Mitigating the risks associated with long certificate lifespans is worth the effort to manage certificates in a modern way. Shorter certificate durations significantly reduce the risk posed by compromised or outdated cryptographic methods by:

Reducing risks from private key compromise
Addressing misissuance and revocation issues
Ensuring alignment of certificate ownership and domain control
Promoting cryptographic agility
Addressing the limitations of existing revocation methods (like OCSP)
Mitigating the problem with CAs failing to do revocation
Encouraging automation.

Industry leaders, including leading browser and certificate authorities, have been actively advocating for and proposing shorter certificate lifespans to enhance digital trust and secure communication channels. While these shorter timeframes might initially seem daunting, they serve a crucial role in bolstering digital trust and maintaining web security in an increasingly complex internet ecosystem.

Many organizations still employ manual certificate renewal processes due to historical reasons, but this no longer holds in today’s security landscape. Manually managing certificates with shorter lifespans is simply not scalable. The risk of missed renewals leading to service disruptions becomes a constant concern, and human error or administrative oversight can result in expired certificates. Such oversights may trigger significant security incidents or service outages, directly impacting business operations and customer trust. This is where automation becomes indispensable.

Every certificate should be a managed certificate

Automated certificate management systems are transforming how organizations handle SSL/TLS certificates. These solutions seamlessly manage the entire lifecycle, from initial issuance and deployment to continuous monitoring and timely renewal. By reducing human intervention, automated systems help maintain continuous protection against potential vulnerabilities while ensuring certificates are always up to date. They also alleviate administrative burdens, allowing IT teams to dedicate their time to more strategic security initiatives rather than repetitive manual tasks.

For organizations, automation not only ensures smoother certificate management but also contributes to building stronger relationships with customers and partners. Regularly updated certificates serve as a visible sign of a company’s commitment to maintaining high-security standards, fostering trust and confidence. Furthermore, automated systems improve compliance with stringent regulatory requirements by ensuring certificates are always renewed within the specified timeframe, avoiding penalties or reputational damage.

Scaling with automation

The operational benefits are just as compelling. Automated solutions can scale to manage thousands of certificates across diverse environments, seamlessly integrating with existing systems and applications. As organizations grow in complexity and scale, automation becomes a foundational tool for maintaining a secure and efficient IT infrastructure.

The move forward

Adopting shorter certificate lifespans and automation requires thoughtful planning. Organizations must first assess their current certificate inventory to identify potential gaps or vulnerabilities. Selecting an appropriate automation solution that integrates well with existing IT systems is equally important, as it ensures smooth transitions and consistent enforcement of security policies. Regular audits of automated processes help organizations fine-tune their systems and maintain robust security postures.

The move toward shorter certificate lifespans signals a proactive stance in digital security, pushing businesses to stay agile and maintain best practices. Although it demands adaptation, when paired with automation, it represents a vital step forward. The combination enhances security, reduces operational risks, and builds an environment of trust and reliability in digital interactions.

For businesses of all sizes, the message is clear: shortening certificate lifespans is not merely a challenge but an opportunity. When supported by robust automation strategies, it ensures continuous protection, operational efficiency, and a more secure digital future.