Cybersecurity training company KnowBe4 on May 7 – World Password Day – launched a kit, tips, videos and tools to help strengthen passwords and improve password management. Cyberattackers do not need to crack weak passwords; they reuse the billions of passwords already available for sale on the dark Web. Using a technique called “credential stuffing”; hackers use account details obtained from older data breaches, KnowBe4 Africa MD Anna Collard pointed out.