Why Account Takeovers Are Rising and How to Stop Them

WHY ACCOUNT TAKEOVERS ARE RISING AND HOW TO STOP THEM

The modern security landscape is defined by a sprawling web of identities. Enterprises manage thousands of human and non-human identities across cloud services, SaaS apps, endpoints, and hybrid work environments. As BYOD and third‑party access grow, visibility into who has access to what—and whether that access can be trusted—becomes increasingly fragile. Attackers exploit this complexity, and compromising an account can be quicker and quieter than breaching infrastructure. For defenders, identifying activity tied to legitimate identities remains one of the most persistent challenges.

The shifting identity landscape

• Identity and access are no longer a box to check at login; they are the doorway to every action in a modern environment.
• Hybrid workflows, cloud-first architectures, and unmanaged devices multiply touchpoints that must be trusted, not just authenticated.
• When trust is fuzzy, attackers gain footholds by stealing or abusing legitimate credentials, often with little noise before the breach unfolds.

Credential abuse: the attacker’s preferred path

• Credential theft remains a leading route into networks. Breaches continue to hinge on usernames and passwords procured via infostealer malware, phishing, or dumps from prior incidents.
• Even with MFA in place, criminals pivot to the authentication process itself, seeking weaknesses rather than breaking through a fortress wall.

MFA fatigue and session compromise

• MFA fatigue, or prompt bombing, is a widely observed tactic where repeated approval requests exhaust user patience, leading to a mistaken acceptance.
• A notorious case from 2022 involved a large organization where relentless MFA prompts led to a legitimate session being approved, opening the door to privilege escalation.
• Adversaries are increasingly attempting to hijack authenticated sessions or steal session tokens via adversary-in-the-middle frameworks, effectively bypassing MFA.

The evolving face of credential phishing

• Phishing campaigns have grown more sophisticated, using legitimate hosting services, trusted domains, reverse proxies, and AI-generated content to impersonate real portals.
• Complex, multi‑stage redirects can obscure the true destination, making even security-aware users vulnerable to credential theft.

Protecting credentials in Active Directory and beyond

• Data from major reporting organizations shows that stolen credentials are involved in a substantial share of breaches, underscoring the need for robust password hygiene.
• Password policies that enforce strong, compliant rules help block billions of compromised passwords and reduce the likelihood of credential-based breaches.
• Securing directory services remains a cornerstone of defense, but it must be part of a broader approach that validates trust beyond the login moment.

The expanding device surface

• Employees access corporate resources from personal laptops, unmanaged phones, and devices that sit outside traditional security boundaries.
• This expansion makes visibility into device posture a critical capability. Updates, malware infections, and missing security controls on endpoint devices can quietly undermine trust.
• Infostealer malware continues to contribute to account takeovers by harvesting credentials, browser‑stored passwords, and authenticated session cookies directly from devices.

The rise of device trust and continuous verification

• Traditional security models over-rely on authentication as the sole signal of trust. In modern environments, trust must be demonstrated across the entire access lifecycle.
• A more resilient approach treats trust as a property of the device and the session, not just the act of logging in.
• Continuous verification models assess risk throughout a session, taking into account device health, user behavior, and contextual signals.
• Device trust can be extended across corporate and personal devices, with policies tailored to risk and context to minimize friction for users while staying vigilant against threats.

Key mechanisms that reduce account takeover risk

• Device authentication: Bind users to approved devices so that access is allowed only from trusted endpoints.
• Continuous device verification: Evaluate device posture during login and at intervals throughout a session, checking for OS updates, browser versions, and security tooling alignment.
• Flexible device coverage: Apply risk-based policies that span both corporate and personal devices, calibrating access decisions to context.
• On‑access remediation: Address issues as they appear without forcing disruptive actions. Instead of automatically resetting passwords or blocking access, guide users toward secure remediation and continued productivity.
• Integrated trust models: Blend device trust with existing identity providers, VPNs, and single sign-on offerings to extend security without creating user friction.

How continuous verification reshapes identity security

• Trust is earned, not just proven. Rather than treating authentication as the final verdict, ongoing signals determine whether access should persist.
• The most effective defenses couple strong authentication with real-time visibility into device health and session risk.
• This approach is particularly important in environments embracing BYOD, cloud services, and hybrid work arrangements, where the attack surface is fluid and dynamic.

What this means for organizations

• Expect to see a continued increase in attacks that leverage legitimate identities. If your security program treats login as the sole trust signal, you are leaving blind spots in place.
• Invest in capabilities that provide ongoing insight into device posture, session risk, and behavioral signals throughout the entire access lifecycle.
• Build a layered defense that strengthens authentication while continually validating trust across devices and sessions, rather than stopping at the initial login.

A practical path to stronger identity resilience

• Map identity and device signals: Catalog how users, devices, and networks interact across critical applications and data stores.
• Integrate device posture into access decisions: Ensure that device health, security controls, and software versions influence who can access what—and when.
• Enable continuous verification: Extend trust assessments beyond login to ongoing monitoring of session risk and device integrity.
• Prioritize user-centric remediation: When issues arise, provide guidance that preserves productivity while restoring trust, rather than forcing disruptive resets.
• Align with hybrid work realities: Design policies that accommodate personal devices and remote work without compromising security.

Closing thoughts

Account takeover attacks are rising because attackers exploit the very realities that make modern work environments flexible and productive. The path to stopping them lies in expanding the concept of trust: from a one-time credential check to a continuous evaluation of devices, sessions, and behaviors. By weaving device trust and ongoing verification into the core of identity security, organizations can reduce the probability of a takeover while maintaining a usable and efficient digital workplace.