The 'ilities is the informal name for all the system quality attributes, that usually end in 'ility.Accessability, scalability, functionality, reliability....For a full list see the reference

Slowly and indirectly building support and alignment.A way to approach to delivering value more reliably and sustainably look like https://www.ministryoftesting.com/moments/what-does-delivering-value-more-reliably-and-sustainably-look-like From Wikipedia:Nemawashi (根回し) is an informal Japanese business process of laying the foundation for some proposed change or project by talking to the people concerned and gathering support and feedback before a formal announcement.

Injections are about maliciously putting things where they’re not supposed to go. Originally, for input fields, like text boxes or forms, where someone could inject malicious code. One of the most famous examples is from the classic XKCD comic “Exploits of a Mom”, where a child is registered at school with a name that includes a bit of code, and it accidentally causes the school’s database to break. But it's not just about forms anymore. Prompt injections are similar in nature. Anywhere a user can put stuff is prone to injection flaws.Tip: Always validate and sanitize anything users can send.

Your web app will depend on libraries and third-party components outside your control. For example, Social media (SoMe) trackers and CSS or similar plugins. Over time, they might be insecure or outdated. This is known as a supply chain attack, when something you already trust becomes the way attackers get in. Tip: Keep a list of them and the last working version on your end. Examples: One famous example was log4j and another was SolarWinds.