Companies may want to undertake digital transformation, but often start with legacy servers built in the early 2000s. Today’s columnist, Hemanta Swaim, formerly of TiVo, offers some insights on how to secure legacy IT systems. Jemimus CreativeCommons Attribution 2.0 Generic CC BY 2.0)

Legacy IT has become the dirty little secret of digital transformation. These systems, which include servers, OSes, and applications, are relied on by almost every organization for business-critical activities – and many CISOs struggle to protect them from attackers.

During my time as CISO for a public company, I got a first-hand look at the depth of the legacy challenge. We had more than 1,000 servers in use that were built in 2003 but no longer supported by vendors, and more than 200 legacy servers were designated for business-critical activity that drove significant annual revenue. It’s a non-starter to take these servers offline, and protecting them comes at a significant cost.

Please register to continue.

Already registered? Log in.

Once you register, you'll receive:

  • News analysis

    The context and insight you need to stay abreast of the most important developments in cybersecurity. CISO and practitioner perspectives; strategy and tactics; solutions and innovation; policy and regulation.

  • Archives

    Unlimited access to nearly 20 years of SC Media industry analysis and news-you-can-use.

  • Daily Newswire

    SC Media’s essential morning briefing for cybersecurity professionals.

  • Learning Express

    One-click access to our extensive program of virtual events, with convenient calendar reminders and ability to earn CISSP credits.