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Forescout Announces 2024 Threat Roundup Report

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David Marshall | Published: January 27, 2025

Forescout Technologies Inc. announced key findings from its “2024
Threat Roundup
” report, providing analysis of the evolving threat
landscape. The Forescout Vedere Labs research highlights key trends from
2024, including threat actors, vulnerabilities, exploits, top targets
and attacker locations, while drawing comparisons to 2023 and offering
insights and strategic recommendations for improved defenses. 

Top
findings based on an analysis of 900 million attacks identified more
than half of all attacks originated from IPs managed by ISPs, web
applications were the most targeted service type, a concerning increase
in actively exploited vulnerabilities not included in CISA’s KEV catalog
and rising security incidents against critical infrastructure.

“Cybercrime,
hacktivists, and state-sponsored actors are exploiting IT, IoT, OT and
IoMT devices in critical infrastructure, leading to real-world
consequences – planes grounded, production lines stopping, and essential
services like patient care in hospitals grinding to a halt,” said Barry
Mainz, Forescout CEO. “Organizations that can’t see their full network
are left vulnerable to these threats. To better defend against them,
organizations must focus on risk and exposure management to understand
their attack surface, network security to enforce Zero Trust, and threat
detection and response to identify and contain threats before they can
do damage and disrupt our lives.”

Forescout Research – Vedere Labs “2024 Threat Roundup” Key Findings

Web applications are the most attacked service type

  • Web applications were again the most attacked service type followed by remote management protocols.
  • Attacks
    on web applications increased from 26% in 2022 and 2023 to 41% in 2024,
    with most attacks consisting of either scanning or exploit attempts.
    The increase represents a shift from mostly credential-based attacks to
    exploits on perimeter devices and applications.
  • Accounts
    associated with databases are the most attacked. IoT device credentials
    consist of 6% of attacks (e.g., routers, cameras, DVRs, industrial and
    network equipment).

Exploits against network infrastructure are growing

  • Exploits against network infrastructure devices became the second most popular category.
  • Exploits against web applications rose from 36% in 2023 to 56% in 2024.
  • Network
    infrastructure devices (routers, firewalls, VPNs, etc.) are the second
    largest category and increased from 3% (2022) to 11% (2023) and now 14%
    (2024).
  • The percentage of exploited vulnerabilities not in CISA’s Known Exploited Vulnerabilities (KEV) increased from 65% to 73%.
  • When
    Forescout’s AEE data was merged with observations from the Shadowserver
    foundation, a list of at least 25 vulnerabilities affecting OT and
    Industrial IoT devices were discovered that are exploited by botnets or
    automated attacks, which are not included in CISA’s KEV.

OT attacks increased, with building automation on the rise

  • Attackers
    are constantly scanning popular OT protocols, with 79% targeting
    industrial automation, 12% on power sector, and the remaining on
    building automation. Building automation increased from 2% in 2023 to 9%
    in 2024.
  • Most
    attacks are opportunistic, with a heavy interest in Modbus (33% in 2023
    to 40% in 2024) and more fragmented interest in a lot of other
    protocols.

U.S. is the biggest critical infrastructure target, with incidents increasing across sectors

  • Based
    on data from the European Repository of Cyber Incidents, since 2022,
    reported security incidents in critical infrastructure worldwide have
    grown by 668 percent.
  • There
    were 10% more incidents for critical infrastructure sectors than in
    2023 and more than half of all incidents (57%) affected critical
    infrastructure sectors.
  • Healthcare was the top targeted sector in 2023 (24%) and 2024 (17%), followed by financial services (17%) and government (10%).
  • The
    U.S. is the biggest target. Top targets after the U.S. are Europe
    (Germany, France, Spain, Italy and the UK) and Asia (Japan, India,
    Korea, Taiwan, Singapore).

China, Russia and Iran account for 43% of threat actor groups

  • The top three countries targeted by the most threat actors are United States, Germany and India.

“OT
environments are quickly becoming bigger targets for cybercriminals
because these areas don’t have the robust security and monitoring
measures found in traditional IT systems,” said Daniel dos Santos, Head
of Research at Forescout. “With critical infrastructure and industrial
systems frequently exposed to vulnerabilities, attackers see these
environments as prime opportunities to steal sensitive data or cause
disruption. Organizations must work to strengthen their risk and
exposure management, segment sensitive networks to prevent unauthorized
lateral movement, and deploy IoT/OT-aware threat detection to allow for
comprehensive visibility across the entire enterprise.”

To learn more about the latest Forescout research, visit the Vedere Labs website.