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8 TRENDS RESHAPING NETWORK SECURITY IN 2025

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By Anand Oswal
Dec 12, 2024
10 minutes
254 views
AI Security
Company & Culture
Next-Generation Firewalls
Points of View
Predictions
2025 Predictions

As we look ahead to 2025, one thing is clear: the digital landscape is evolving
quickly, and it’s creating new cybersecurity challenges for businesses globally.
From the growing speed, scale and sophistication of cyberattacks to the changing
nature of how we work and connect, the future of network security depends on a
holistic approach that integrates advanced AI technologies and seamless user
experience.

In fact, Palo Alto Networks 2025 Cybersecurity and AI Predictions showcase how
we’re at a pivotal moment in the evolution of enterprise security practices. One
of the standout predictions we made was that 2025 will be the year enterprises
will widely adopt a secure browser. This trend is not only an inevitability,
it’s a necessity. While secure browsers will see a huge increase in adoption in
the year ahead, they represent only one piece of the puzzle.


EIGHT NETWORK SECURITY TRENDS WE THINK WILL REDEFINE ORGANIZATIONS’ APPROACH TO
CYBERSECURITY IN 2025


1. THE RISE OF THE SECURE BROWSER

As more work is done through the browser and data breaches increasingly
originate from browser vulnerabilities, securing this gateway to the digital
world is now non-negotiable. We’re no longer living in an era where employees
access business applications solely through desktops located primarily in an
office. With the proliferation of remote work, BYOD (bring your own device) and
the ever-growing reliance on cloud services, it’s more critical than ever that
organizations provide workers with secure access to the digital tools needed to
get their work done, regardless of location, device or application. Secure
browsers not only safeguard against attacks but also prevent accidental and
intentional leakage of sensitive data, yet can be as easy to use as consumer
browsers. As this technology becomes widely adopted, it will fundamentally
reshape how organizations approach browser security, marking the start of a new
era in secure digital transformation.



 


2. AS NATION-STATES INCREASE ATTACKS ON INFRASTRUCTURE, GOVERNMENTS WILL INVEST
IN SMART AND SECURE INFRASTRUCTURE TECHNOLOGY

We expect governments will invest in modernized and secure systems, especially
as nation-state attacks on critical infrastructure increase. This effort goes
beyond replacing outdated technology and focuses on deploying smart technologies
while securing both legacy and new infrastructure to meet the needs of a
digitally connected world.

Governments are also prioritizing investments in 5G technology to enable smart
cities. These advancements will drive innovation in transportation, energy and
public services, supporting the transition to smarter infrastructure. However,
the challenges are significant. For instance, 66% of transportation
organizations have been affected by ransomware attacks, and 77% of the
government and other public sector organizations lack complete visibility over
all their IoT devices. These gaps expose critical systems to risks, such as
physical damage, data theft and service interruptions. This highlights the
urgent need for comprehensive security measures.

Many critical environments, including industrial sites and remote facilities,
face unique challenges in securing infrastructure. Ruggedized NGFWs are an
essential solution for these settings, providing reliable security in places
where traditional equipment may fail. With increasing threats and the complexity
of securing IoT and OT devices, a robust approach to visibility and protection
is essential.

We believe governments will focus on building integrated security solutions that
protect both legacy systems and new technologies. By leveraging AI-driven tools
for real-time discovery, monitoring and protection of IoT and OT devices, these
investments will ensure critical systems remain secure while supporting the
digital transformation of public infrastructure. These efforts will help keep
essential services running while offering citizens the safety and confidence
they expect.


3. ATTACKERS WILL LEVERAGE POST-QUANTUM CRYPTOGRAPHY (PQCS) TO EVADE SECURITY
DEFENSES

The security controls that are intended to protect against future quantum
attacks (PQCs) have created an opportunity for attackers to take advantage of
security solutions that don’t support or haven’t been upgraded to identify and
block traffic encrypted with PQCs. For example, the Google Chrome browser now
supports PQCs by default. The unintended consequence of this is that we’ll see
an increase in PQC attacks, embedded in the web traffic that is encrypted now by
default. This will affect cybersecurity because many network security products
are unable to inspect PQC traffic, and attackers will take advantage of this to
hide attacks inside of post-quantum encryption.

To combat this, enterprises will need visibility into where these algorithms are
being used and ensure they are able to decrypt and inspect all data flowing
through their enterprise networks. The good news is that the technology exists,
like the Strata Network Security Platform, to identify, block and decrypt PQCs.


4. ATTACKS WILL INCREASINGLY USE MULTIPLE TECHNIQUES FOR A SUCCESSFUL BREACH,
REQUIRING SECURITY SERVICES TO WORK TOGETHER AS PART OF A PLATFORM

Gone are the days of attacks hitting a single product or vulnerability. In 2025,
one of the most alarming trends in cybersecurity will be the increasing use of
multivector attacks and multistage approaches. How does it work? Cybercriminals
leverage a combination of tactics, techniques and procedures (TTPs), hitting
across multiple areas at once to breach defenses. We’ll see an increase in
sophistication and evasion from web-based attacks, file-based attacks, DNS-based
attacks and ransomware attacks, which will make it more difficult for
traditional, siloed security tools to effectively defend against modern threats.

Preventing these attacks will require multiple security services to work
together as part of an integrated platform to stop every attack along the cyber
kill chain. For example, our Cloud-Delivered Security Services (CDSS) powered by
Precision AI can prevent the latest and most advanced threats in real-time, with
protections built into our Network Security Platform and delivered
automatically. By protecting at multiple points in the cyber kill chain,
companies can thwart the attack, providing defense-in-depth to address the full
spectrum of threat vectors. In 2025 and beyond, only security solutions with
global visibility into the attack patterns across network, cloud and endpoints
will offer the most effective protection.


5. AI IN SECURITY WILL ALLOW ORGANIZATIONS TO CHIP AWAY AT THE CYBERSECURITY
SKILLS GAP

As cyberthreats become more sophisticated and widespread, the demand for skilled
cybersecurity professionals continues to outpace the supply. But, there are
bright skies ahead as AI-powered copilots fill in the gaps as intelligent
assistants designed to support cybersecurity professionals in their daily tasks.
If 2024 was the year when every security vendor introduced a copilot, 2025 will
be the year of widespread adoption as customers understand the full extent of
their power. Using our copilots, cybersecurity experts can harness knowledge at
their fingertips, gain instant access to insights and benefit from guided
automation. In the future, the life of the cybersecurity professional will get
even easier, thanks to copilots’ ability to automate repetitive tasks, sift
through huge amounts of data, and give more insightful answers and analysis.

This is a huge deal as the cybersecurity skills gap has long been a challenge to
enterprises globally. When every cybersecurity professional is armed with a
highly capable, AI-powered assistant (like our free Strata Copilot),
cybersecurity professionals will be empowered to work smarter, not harder.


6. 2025 WILL BE AN INFLECTION POINT YEAR, AS COMPANIES WILL DOUBLE THEIR
INTEREST AND DEPLOYMENT OF SINGLE VENDOR SECURE ACCESS SERVICE EDGE (SASE)

No longer confined to the office, workers need secure, high-performance access
to critical business technologies. From the home office, to the local coffee
shop, to the beach, they need to get their work done no matter where they are,
and no matter what device they use. To adapt to the next frontier of work,
companies will need to do more to protect sensitive workloads and data, while
ensuring worker productivity. This is why in 2025, we’ll see the widespread
adoption of single-vendor SASE solutions.

Because workers will demand the same experience they get from consumer
applications, the security solution of choice will need to help, not hinder,
productivity. This includes ensuring that users experience minimal latency and
downtime, even when accessing cloud-based applications from remote locations.
With a cybersecurity vendor like Palo Alto Networks, your workforce can access
SaaS apps up to 5x faster than they would directly over the internet, so you
don't have to make a choice between security and performance. The future of work
demands flexibility, and single-vendor SASE solutions are poised to provide the
agility and security that enterprises need to thrive in an increasingly
distributed workforce. And a comprehensive SASE solution should include a secure
browser natively!


7. AI WILL BE INFUSED IN EVERY MAJOR BUSINESS APPLICATION, LEADING TO A RISE IN
AI-SPECIFIC ATTACKS

We anticipate the number of AI Apps will increase by 3-5x in the next 12-24
months. As companies eagerly bring these technologies onboard, they may overlook
key issues in data collection methods, governance and AI-specific security
needs. Anticipating weaknesses, attackers will step up their attacks against new
components, such as LLMs, and training and inferencing data. This has the
potential to create security incidents, compliance and legal issues in the
coming year.

At the end of the day, it's about protecting your sensitive data. But the
question is how? The only way to protect against all these AI-specific threats
is through comprehensive, AI-powered solutions. You can enable AI with AI, by
using AI Access Security, which ensures that employees can securely access GenAI
applications. AI Security Posture Management (SPM) identifies risks in your AI
supply chain, including configuration issues and ways you might be exposing your
sensitive data. AI Runtime Security ensures your applications, data and models
are protected from AI-specific threats. In 2025, the companies that are securely
adopting AI will separate themselves from the pack.


8. AI WILL MAKE PHISHING EMAILS INDISTINGUISHABLE FROM LEGITIMATE ONES

In 2025, user-targeted techniques, like phishing emails, will become more
successful, thanks to bad actors’ adoption of generative AI (GenAI) to craft
better and more convincing attacks. We’re already seeing a 30% increase in
successful phishing attempts when emails are written or rewritten by GenAI. Mere
humans, like ourselves, will become even less reliable as a last line of defense
and enterprises will rely on advanced, AI-powered security protections to defend
against these sophisticated attacks.

While companies today rely on antiphishing technologies, such as URL filtering
(AURL) at the network level, more companies will enhance their protection with
secure browsers as a first line of defense against these attacks. Pair this with
an AI-powered single vendor SASE solution that offers advanced, cloud-delivered
security services and your company will be ready to prevent the latest and most
advanced threats in real-time. The best part? With Palo Alto Networks, these
protections are built into our SASE solution and delivered automatically. And
with us, you don’t need to cobble together point products. All these innovations
are natively integrated into one comprehensive SASE solution, across every user,
device and app.


PREPARING FOR THE FUTURE OF NETWORK SECURITY

The future of network security is an exciting one, but it also comes with its
challenges. As 2025 approaches, it’s critical for organizations to stay ahead of
these emerging trends by building agile security strategies that are adaptable
to the rapidly changing threat landscape.

For businesses looking to future-proof their network security, the key is
investing in a holistic platform approach that incorporates new technologies
like secure browsers, single-vendor SASE, AI Copilots and AI-driven threat
detection and response. By doing so, they will not only defend against today’s
threats but also be ready for the cyber risks of tomorrow.

In 2025, network security will be more dynamic, innovative and proactive than
ever before —transforming the way organizations defend their most valuable
assets and ensuring a secure, resilient future in the face of an ever-evolving
digital world.

--------------------------------------------------------------------------------


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