Singtel and SAP National Security Services have co-led a $20m series D round for CounterTack, already backed by investors such as Siemens, ManTech, Mitsui and Alcatel-Lucent.

US-based cybersecurity technology developer CounterTack raised $20m in a series D round yesterday co-led by telecoms firm Singtel’s investment division Singtel Innov8 and security software developer SAP National Security Services.

Unnamed, existing shareholders returned to provide follow-on funding.

CounterTack, originally known as NeuralIQ, has developed a cybersecurity platform aimed at enterprise users that relies on real-time, big data technology to foil attacks, rootkits, malware and persistent threats.

The cash puts CounterTack’s total at approximately $84m. The money will go towards…