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    • Several separate domainsexample.com, example.co.uk, another-brand.com
    • Domains and their subdomainsThe widest coverage a single certificate can give
    • Business validated (OV)Your registered company name inside the certificate
    • Extended validation (EV)Strictest vetting, largest warranty, for checkouts
    • Email signing (S/MIME)Prove a message came from you and encrypt it
  • Devices & Servers
    • All device & server securityRead this first if you are buying for hardware
    • Firewalls, VPN & routersFortiGate, SonicWall, Palo Alto, pfSense, Cisco ASA
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    • Mail servers & webmailExchange, autodiscover, smtp, imap, Microsoft 365
    • Intranet & internal appsStaff portals, dashboards and app servers on one domain
    • NAS, hypervisor & consolesSynology, QNAP, VMware, Proxmox, iLO, iDRAC
    • Web & app serversIIS, Apache, Nginx, Tomcat and load balancers
    • Ask us to map an estateSend your hostname list and we will price it up
  • SSL Brands
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    • Sectigo28 certificates
    • Comodo34 certificates
    • Thawte7 certificates
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    • Web Inspector4 certificates
    • GeoTrust11 certificates
    • Symantec10 certificates
  • Digital Signature
    • All signing certificatesSign software, documents, filings and email
    • Code signingStop the “unknown publisher” warning on installers
    • E-Mudhra DSCMCA21, income tax, GST, EPFO and e-tenders, on a USB token
    • Adobe validated PDF signatureEmbed a verifiable signature in PDFs
    • Comodo personal signature (CPAC)S/MIME email signing and client-certificate login
  • e-Notary

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SSL That Renews Itself: Automating Certificates Before 47-Day Lifetimes

In our 200-day SSL post we explained why certificate lifetimes are shrinking: 200 days now, 100 days from March 2027, 47 days from March 2029. This is the hands-on follow-up. It shows how to make renewal run by itself on the…

Keshav Kaushik · October 29, 2026 · 4 min read
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Code Signing in 2026: Why It Needs a Hardware Token Now, and OV vs EV

If you last bought a code signing certificate a few years ago, the process has changed. You no longer get a…

Keshav Kaushik · October 26, 2026 · 5 min read
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200-Day SSL Certificates Are Here: How to Get Ready for the 47-Day Web

If you renewed an SSL certificate recently and noticed it now expires in about six and a half months instead of…

Keshav Kaushik · October 20, 2026 · 5 min read
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Email Security for Working Remotely

We have seen a dramatic rise in the number of companies and individuals that are working from home…

Keshav Kaushik · December 28, 2020 · 3 min read · 3 comments
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3 Good Reasons to Get SSL Before the Shopping Season Gets Revived Up

This year’s holiday sales are predicted to ring in at more than $123 billion marking some of the best…

Keshav Kaushik · November 3, 2019 · 3 min read
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MITM Attack and Free Proxy

MITM attack is the effective way to hijack the SSL secured website, there are many methods of SSL…

Keshav Kaushik · April 3, 2019 · 5 min read
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RSA Vs ECC SSL/TLS Certificates

Implementation of SSL certificate need a strong reliable hashing algorithm, why not we use faster,…

Keshav Kaushik · February 15, 2019 · 5 min read
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DNS over HTTPS (DoH): Ultimate Guide

Can you imagine a situation when clients are hacked even before they connect to website they are willing to browse.…

Kaushik Keshav · February 2, 2019 · 11 min read
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SECTIGO is 100% Comodo Certificate Authority !!

Comodo is Re-branded as SECTIGO Francisco Partners take over Comodo Certificate Authority in 2017 and…

Keshav Kaushik · January 7, 2019 · 4 min read · 1 comment
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How to Remove “Not Secure” Warning in Chrome?

Yesterday my friend Michelle was browsing her website to make sure that everything is working fine as it was…

Keshav Kaushik · August 5, 2018 · 5 min read
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