Overview
Cryptographers apply number theory, abstract algebra, and computational complexity to design and analyze the systems that keep information secure. From RSA encryption to elliptic curve cryptography and post-quantum algorithms, modern cryptography is deeply mathematical. Opportunities span government agencies (NSA, CISA), tech companies (Apple, Google), blockchain startups, and academic research.
A Day in the Life
Review cryptanalysis literature on lattice-based schemes
Implement post-quantum key exchange protocol in Rust
Security review of new API authentication design
Work through algebraic proof for protocol security reduction
Write formal security proof for new signature scheme
∞ Growth Outlook
Growing rapidly — BLS projects information security analyst employment to grow 29% from 2024 to 2034, while post-quantum cryptography and cybersecurity needs continue to expand.
Source: BLS 2024-34 projectionRecommended Courses
Required Skills
Top Employers
- NSA / CISA
- Apple
- Cloudflare
- Coinbase
- IBM Research