DES is insecure. This is mainly due to the 56-bit key size being too small. In January 1999, distributed.net and the Electronic Frontier Foundation collaborated to publicly break a DES key in 22 hours and 15 minutes (see chronology).Data Encryption Standard - Wikipedia
That was in 1999. "Common and ordinary" computing power has inceased 1000 fold since then.
AES256 is a common public safety encryption method.