CBS News: NSA warns that VPNs could be vulnerable to cyberattacks.
[1]https://www.cbsnews.com/news/national-security-agency-warns-that-vpns-could-b
e-susceptible-to-cyberattacks/?ftag=CNM-00-10aag7e

References

   1. https://www.cbsnews.com/news/national-security-agency-warns-that-vpns-could-be-susceptible-to-cyberattacks/?ftag=CNM-00-10aag7e