What is the of the paper you are trying to write?
: Since May 2019 saw several zero-day exploits (including major Windows and WhatsApp vulnerabilities), scan the contents for legacy malware before extraction.
: The breach was traced back to a bug in the build process that allowed a user to gain elevated privileges. Stack Overflow published a deeper dive into the incident detailing how they mitigated the underlying issues.
: Between May 5 and May 11, 2019, an attacker gained unauthorized access to the production environment.
May 2019 was the deadline month for several major international conferences, such as the LISS 2019 (International Conference on Logistics, Informatics and Service Sciences).