The security stack for financial services

the priority order DORA imposes

Read against DORA, the stack sorts into a clear order. ICT risk governance is critical: a documented risk framework, a named owner, board sign-off and accountability. Identity and access controls are critical: least privilege, MFA on privileged and remote access, recertified access, leavers removed without delay, logged. ICT third-party risk is high: a register of providers, oversight of the critical ones, and a grip on who holds standing access. Resilience and recovery are high: tested backups, disaster recovery, continuity, and the resilience testing DORA requires. Detection and incident reporting are high: detect quickly, classify severity, and report major incidents inside DORA's tight deadlines. Data, endpoints, email and network are the baseline floor, covered properly. Application security comes later, for entities that build their own systems.

it starts at the board, not the firewall

DORA opens with the management body, which is unusual and worth understanding. The board has to own the ICT risk framework, approve it, and stay accountable for it, so security stops being a purely technical matter and becomes a governance one. In practice that means a documented framework, a clear owner, and a way to report risk upward in language leadership can act on. If security has lived entirely inside the IT function until now, this is the shift, and it tends to be the part smaller entities have least in place.

access controls are the heart of it

The technical core of DORA is spelled out in detail in its regulatory technical standards, and read plainly it is a precise description of a well-run identity program: identity management, access on a need-to-know and least-privilege basis, segregation of duties, strong authentication, recertification of access rights, removal of access without undue delay when someone leaves, and logging of who reached what. For most financial entities the gap is not intent, it is proof. A team may believe its access is least-privilege and its leavers lost their access, but DORA expects that demonstrated, with a current picture rather than a good-faith assumption.

your third parties are in scope too

DORA puts heavy weight on the providers an entity depends on, because a failure at a critical supplier is a failure of the entity. You need a register of your ICT third parties, real oversight of the ones that matter, and an honest view of concentration risk when too much rides on a single provider. On the access side, that means knowing which third parties and connected applications hold standing access into your systems and data, a question most entities cannot answer cleanly.

resilience is the point, not an afterthought

The act is named for operational resilience, and it means it. Critical functions are expected to keep running through disruption, with business continuity and disaster recovery that actually work, backups that have been tested and can be restored from, and resilience proven through testing rather than assumed. Financial services is also among the most ransomware-targeted sectors precisely because downtime is so costly, which makes this more than a compliance box. A recovery plan that has never been rehearsed is usually the most urgent gap.

detection on a deadline

DORA sets tight windows for reporting major ICT incidents, and you cannot report what you did not notice, so detection and a working reporting process move up the list. That means monitoring that spots an attack, a way to judge whether an incident is major, and a path that hits the deadlines. Plenty of mid-sized financial entities have no security operations team, and for them a managed detection service covering identity and cloud is usually the realistic answer rather than staffing a watch desk.

the thread through all of it is evidence

DORA is less impressed by controls you assert than by controls you can show, with documentation, logs, and a current register. A financial entity can have reasonable access controls and still struggle in a review because it cannot produce, on demand, a clean picture of who has access to what, which third parties hold standing access, and proof that leavers lost theirs. That is why visibility comes first here as much as anywhere: making the access surface visible and recordable is also the work of producing the evidence a reviewer asks for.

proportionality, and where you sit

DORA applies proportionately, so a smaller entity is not held to the operational scale of a major bank, though the core obligations still apply. For a smaller entity, the practical path is to get the access controls genuinely in place and evidenced, build the third-party register, and make sure resilience and incident basics are real rather than paper. For a larger entity already running a security function, the work is more about closing specific evidence gaps, formalizing third-party oversight, and proving resilience through testing on top of controls it mostly has.

where to start

The access controls are both the heart of DORA's technical standards and the place most financial entities have the least clean evidence, so that is where the work pays off first. Seeing the access surface clearly closes real risk and produces the record a reviewer will ask for, in the same move.