"by obscurity" is a correct and usable phrase in written English.
It means something is hidden or unknown due to being unclear or vague. Example: The meaning of the message was hidden by obscurity, making it difficult for me to understand its true intention.
In general, my relationship with the worlds of ideas and commerce was marked by obscurity.
Her life was largely one in which infamy was overlaid by obscurity.
If you say too little, then you are practicing security by obscurity".
The technical reality is that any software-based copy protection is just security by obscurity, subject to reverse engineering.
Note, to the best of our knowledge, prior to this work, no publicly available documentation on the protocol was available affording users' security by obscurity.
But the limitations of technology until recently have afforded a kind of de facto protection he calls "privacy by obscurity".
The results include a potentially higher anonymity for all the networks deployed within the framework, and a pathway towards sharing user-bases and code-bases, mixing the low- and high-latency communication, and benefiting from security-by-obscurity.
You can find friends through Facebook or your phone's contacts, though the app uses a somewhat weak privacy-by-obscurity model where anyone with your username can sling to you.
Mr. Burgin's text-image work has often had a made-by-committee obscurity spiced by slick presentation (a critique of advertising) and gratuitous images of beautiful young women (despite the artist's avowed feminism).
They were also troubled by his obscurity, and by the roughness of his versification.
It is characterized by extreme obscurity intentionally produced by periphrasis (preference for a longer phrase over a shorter, equally adequate phrase), coinage of new words, and very liberal use of loanwords to express quite ordinary meanings.
