-- 1. Restrict cipher_key_table access (REVOKE + Row-Level Security) -- 2. Replace register_cipher_key(text,text) with register_cipher_key(text,text,text) -- that accepts a separate master passphrase ...

DROP OPERATOR CLASS IF EXISTS public.hash_text_enc_ops USING hash; DROP OPERATOR FAMILY IF EXISTS public.hash_text_enc_ops USING hash; DROP OPERATOR CLASS IF EXISTS ...

Security by default – protecting the enterprise in SQL Server 2025Issued by Ascent TechnologyJohannesburg, 25 Mar 2026 Security by default – protecting the enterprise in SQL Server 2025. Explore how ...

Abstract: The concept of dual-server and multi-party searchable encryption strengthens traditional Keyword search combined with public-key encryption (PEKS), which is otherwise prone to keyword ...

Abstract: The server-aided revocable attribute-based encryption (SR-ABE) scheme was developed to improve scalability and minimize user computational overhead. This approach utilizes an untrusted, ...

Python’s new frozendict type Only rarely do new types get added to Python. With Python 3.15, the dictionary type now has an immutable counterpart, the “frozendict”. With it, you can use a dictionary ...

AI-driven ransomware now targets backups, too. Malware can dwell for weeks, mapping recovery systems. Your clean restore point may already be corrupted. We all know the benefits of backups, right? If ...

Using a VPN, or virtual private network, is one of the best ways to protect your online privacy. We review dozens every year, and these are the top VPNs we've tested. I’ve been writing about ...

Meta has announced plans to discontinue support for end-to-end encryption (E2EE) for chats on Instagram after May 8, 2026. "If you have chats that are impacted by this change, you will see ...