PKI and digital certificates

Using a public key infrastructure (PKI), certificate authority (CA) and digital certificates is a key way to develop a secure network infrastructure for user access, keep data secure and eliminate hacker threats. Get expert advice and tools to implement PKI in your organization.

April 23, 2020 23 Apr'20
COVID-19 strains critical certificate authority processes

Border crossings. Police checkpoints. Security cages. Secret safes. These are just some of the hurdles certificate authorities face as they strive to maintain security during COVID-19.
January 22, 2020 22 Jan'20
Netgear under fire after TLS certificates found in firmware -- again

Security researchers revealed Netgear firmware exposed TLS certificate keys, but SearchSecurity discovered it wasn't the first time the issue had been reported to the vendor.
September 17, 2019 17 Sep'19
Researcher finds digital certificate fraud used to spread malware

A new certificate fraud scheme involves a threat actor impersonating company execs to purchase certs which are then resold to those looking to spread malware.
March 22, 2019 22 Mar'19
Study reveals sale of SSL/TLS certificates on dark web

Security researchers discovered the availability of SSL/TLS certificates for sale on the dark web, which allow cybercriminals to disguise their malicious activity as legitimate.

Bring yourself up to speed with our introductory content

What are the top secure data transmission methods?

Safe information transfer is a must for modern organizations, but not all secure data transmission methods are equal. Explore your secure data transfer options in this tip. Continue Reading
How to use a public key and private key in digital signatures

Ensuring authenticity of online communications is critical to conduct business. Learn how to use a public key and private key in digital signatures to manage electronic documents. Continue Reading
cryptography

Cryptography is a method of protecting information and communications through the use of codes so that only those for whom the information is intended can read and process it. Continue Reading

Weigh the pros and cons of technologies, products and projects you are considering.

Can PDF digital signatures be trusted?

Digital signatures on PDF documents don't necessarily guarantee their contents are valid, as new research shows viewer implementations don't always detect incomplete signatures. Continue Reading
IoT identity management eyes PKI as de facto credential

Public key infrastructure is emerging as the essential technology for identity management in IoT, as customers seek out a trifecta of data integrity, authentication and encryption. Continue Reading
Public key pinning: Why is Google switching to a new approach?

After introducing HTTP Public Key Pinning to the internet two years ago, the upcoming Chrome will replace it with the Expect-CT header. Matt Pascucci explains the switch. Continue Reading

Learn to apply best practices and optimize your operations.

SSL certificate best practices for 2020 and beyond

SSL/TLS security is continuously improving, and there are steps site owners should take to ensure the safety of their SSL certificates, websites and users. Read on to learn more. Continue Reading
Getting a handle on certificate management in Windows shops

A certificate that isn't renewed by its expiration date will cause dire consequences for administrators who will need to find a fast remedy when systems can't communicate. Continue Reading
Will DNS Flag Day affect you? Infoblox's Cricket Liu explains

What is DNS Flag Day? That's when old and broken DNS servers will stop working, improving DNS performance and safety for all. Infoblox's chief DNS architect Cricket Liu explains. Continue Reading

We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.

How concerned should I be about a padding oracle attack?

Padding oracle attacks have long been well-known and well-understood. Find out how they work and why using modern encryption protocols can reduce the risks. Continue Reading
What are the steps for an Exchange certificate renewal?

An expired Exchange 2010 certificate is one of those issues that catches everyone's attention. Check and replace certificates with these basic commands. Continue Reading
PGP keys: Can accidental exposures be mitigated?

The accidental publication of an Adobe private key could have put the company in jeopardy. Matt Pascucci explains how it happened and how to better protect PGP keys. Continue Reading