In SNMPv1, the transferred/exchanged snmp data is not encrypted. It's in clear text format. Somebody with sniffing tool can pick-up this traffic and view the device config/status. It could get worst if the intercepted info between managed network devices and management machine is running in read-write (RW) mode. In SNMPv3, everything is fully encrypted.
How safe using SNMPv1 vs SNMPv3 is depending on your business requirements, how critical managed network infra devices and how critical/sensitive those snmp/management data to your organization.
But I believed, banking sector normally has a strict security policy, including on network infra.
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...