ESET researchers release a deep-dive analysis of how Wajam has become an adware-spewing operation that keeps changing its techniques in order to avoid detection. The United States' National Security Agency issues a rare alert urging people to patch their machines to protect against the critical BlueKeep vulnerability. The Australian National University discloses a breach that compromised the personal data of students and staff stretching back 19 years. All this – and more – on WeLiveSecurity.