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Ransomware Attacks Reaches Highest Level as 66% of Organisations Surveyed fell Victim to adversaries – Sophos Report
Sophos, a global leader in innovating and delivering cybersecurity as a service, has released its annual “State of Ransomware 2023[LS1] ” report, which found that in 76% of ransomware attacks against surveyed organizations, adversaries succeeded in encrypting data. This is the highest rate of data encryption from ransomware since Sophos started issuing the report in 2020.
The survey also shows that when organizations paid a ransom to get their data decrypted, they ended up additionally doubling their recovery costs ($750,000 in recovery costs versus $375,000 for organizations that used backups to get data back).
Moreover, paying the ransom usually meant longer recovery times, with 45% of those organizations that used backups recovering within a week, compared to 39% of those that paid the ransom.
Overall, 66% of the organizations surveyed were attacked by ransomware—the same percentage as the previous year.
This suggests that the rate of ransomware attacks has remained steady, despite any perceived reduction in attacks.
“Rates of encryption have returned to very high levels after a temporary dip during the pandemic, which is certainly concerning.
“Ransomware crews have been refining their methodologies of attack and accelerating their attacks to reduce the time for defenders to disrupt their schemes,” said Chester Wisniewski, field CTO, Sophos.
“Incident costs rise significantly when ransoms are paid. Most victims will not be able to recover all their files by simply buying the encryption keys; they must rebuild and recover from backups as well.
“Paying ransoms not only enriches criminals, but it also slows incident response and adds cost to an already devastatingly expensive situation,” said Wisniewski.
When analyzing the root cause of ransomware attacks, the most common was an exploited vulnerability (involved in 36% of cases), followed by compromised credentials (involved in 29% of cases). This is in line with recent, in-the-field incident response findings from Sophos’ 2023 Active Adversary Report for Business Leaders.
Additional key findings from the report include:
· In 30% of cases where data was encrypted, data was also stolen, suggesting this “double dip” method (data encryption and data exfiltration) is becoming commonplace
· The education sector reported the highest level of ransomware attacks, with 79% of higher education organizations surveyed and 80% of lower education organizations surveyed reporting that they were victims of ransomware
· Overall, 46% of organizations surveyed that had their data encrypted paid the ransom. However, larger organizations were far more likely to pay. In fact, more than half of businesses with revenue of $500 million or more paid the ransom, with the highest rate reported by those with revenue over $5 billion. This could partially be due to the fact that larger companies are more likely to have a standalone cyber insurance policy that covers ransom payments
“With two thirds of organizations reporting that they have been victimized by ransomware criminals for the second year in a row, we’ve likely reached a plateau. The key to lowering this number is to work to aggressively lower both time to detect and time to respond.
“Human-led threat hunting is very effective at stopping these criminals in their tracks, but alerts must be investigated, and criminals evicted from systems in hours and days, not weeks and months. Experienced analysts can recognize the patterns of an active intrusion in minutes and spring into action.
“This is likely the difference between the third who stay safe and the two thirds who do not. Organizations must be on alert 24×7 to mount an effective defense these days,” said Wisniewski.
Sophos recommends the following best practices to help defend against ransomware and other cyberattacks:
· Strengthen defensive shields with:
o Security tools that defend against the most common attack vectors, including endpoint protection with strong anti-exploit capabilities to prevent exploitation of vulnerabilities, and Zero Trust Network Access (ZTNA) to thwart the abuse of compromised credentials
o Adaptive technologies that respond automatically to attacks, disrupting adversaries and buying defenders time to respond
o 24/7 threat detection, investigation and response, whether delivered in-house or by a specialist Managed Detection and Response (MDR) provider
· Optimize attack preparation, including making regular backups, practicing recovering data from backups and maintaining an up-to-date incident response plan
· Maintain good security hygiene, including timely patching and regularly reviewing security tool configurations
Data for the State of Ransomware 2023 report comes from a vendor-agnostic survey of 3,000 cybersecurity/IT leaders conducted between January and March 2023. Respondents were based in 14 countries across the Americas, EMEA and Asia Pacific. Organizations surveyed had between 100 and 5,000 employees, and revenue ranged from less than $10 million to more than $5 billion.
Airtel Nigeria has reaffirmed its long-term commitment to strengthening Nigeria’s digital infrastructure and data access to bridge gaps in connectivity and unlock new opportunities in the country.
The company restated this commitment during a recent high-level inspection tour of the Nxtra Data Centre that is being developed through Nxtra by Airtel Africa at Eko Atlantic, Lagos, the highly rated smart city with ambition to become the Data Centre hub of Nigeria.
The inspection tour was led by the Chief Executive Officer of Airtel Nigeria, Dinesh Balsingh and the Chief Executive Officer of Nxtra by Airtel Africa, Yashnath Issur, with the esteemed chairman of Eko Atlantic Mr. Gabbi Massoud, the CEO of the lead Engineering firm Design Group Limited, Mr. Bayo Odunlami and tech journalists.
The Nxtra Data Centre went through a stringent design validation process and cleared the approval to proceed construction from Eko Atlantic.
Commenting on the developments, Mr Issur said the site visit was a milestone marker and an indication of the company’s commitment to delivering the world-class digital facility on time and ensure that, ultimately, the investments deliver reliable, secure, world-class services for Nigeria and the rest of the continent.
“This Nxtra Data Centre in Lagos represents a critical part of our long-term vision for Nigeria’s digital ecosystem. Today’s visit allows us to review progress, engage our stakeholders, and ensure that our infrastructure investments continue to meet global standards and local needs.
“This data centre will deliver critical high multi megawatt capacity in line with hyperscale customers and enable high density environment. We are putting the infra to bring the cloud to Nigeria,” he said.
The data centre, set to be the largest in Nigeria, is being established to deliver hyperscale and edge facilities across key African markets. With a load of 38 Megawatts, the Lagos facility is expected to serve as a major hub for data hosting, cloud services, content distribution, artificial intelligence, and enterprise solutions in West Africa.
In his remarks, Mr Balsingh reiterated that the data centre was progressing steadily towards the previously announced 2028 go live date.
“Since the announcement of this project, our focus has been on building a world-class facility that supports Africa’s digital transformation agenda. We are encouraged by the progress recorded so far and remain committed to delivering a secure, energy-efficient, and future-ready data centre for Nigeria,” he said.
During the tour, stakeholders were ushered through key sections of the site, including piling zones, where required structural requirements have been tested. Technical teams provided briefings on infrastructure design, security architecture, redundancy systems, and sustainability measures being implemented to ensure reliability and operational excellence.
Strategically located close to major fibre routes and undersea cable landing stations, the Eko Atlantic data centre is designed to enhance Nigeria’s data sovereignty, reduce latency, and improve access to reliable digital services for private and enterprise customers, significantly boosting the country’s data hosting capacity and supporting emerging technologies such as artificial intelligence and cloud computing.
Mr. Massoud noted that the inspection tour underscored the city’s dedication to infrastructure of global relevance.
“Eko Atlantic as a city with high quality infrastructure will contribute positively to boost the economy of Nigeria and is a perfect place for the development of the digital infrastructure of Nigeria. The Nxtra data centre reflects the calibre of projects we seek to attract — long-term, technology-driven investments built to the highest global standards.
Today’s visit affirms the rigour of the planning and execution process by Nxtra, and the commitment of Eko Atlantic to facilitate and promote the Nigeria’s evolving digital ecosystem,” he said.
Through this ongoing investment, Airtel Nigeria and Nxtra continue to demonstrate their commitment to building infrastructure that enables innovation, supports economic development, and accelerates Nigeria’s digital transformation.
Nxtra by Airtel is developing a network of hyperscale data centres across the continent. Besides Lagos, construction of a new data centre has also commenced in Nairobi, Kenya and the Democratic Republic of Congo.
Google has partnered with top African research institutions to unveil WAXAL, a massive open-access speech dataset aimed at giving over 100 million people across Sub-Saharan Africa a stronger voice in the AI future.
The initiative, announced Monday, targets a key digital gap by supplying high-quality data for 21 local languages, such as Hausa, Yoruba, Luganda, and Acholi. It includes 1,250 hours of transcribed natural speech and more than 20 hours of studio-grade recordings for advanced synthetic voice tech.
Voice AI has exploded globally, yet Africa’s 2,000-plus languages suffer from severe data shortages, sidelining hundreds of millions from native-tongue tech access. WAXAL, three years in the making with Google funding, changes that equation.
“This dataset lays the groundwork for students, researchers, and entrepreneurs to craft tech in their own languages, impacting over 100 million lives,” said Aisha Walcott-Bryantt, Head of Google Research Africa.
She highlighted its potential for African innovators to develop educational tools and voice services that spark economic growth continent-wide.
Community-led from the start, the project involved Makerere University (Uganda), University of Ghana, Digital Umuganda (Rwanda), and others. These partners own the data outright, pioneering fair AI collaboration models.
Covered languages: Acholi, Akan, Dagaare, Dagbani, Dholuo, Ewe, Fante, Fulani (Fula), Hausa, Igbo, Ikposo (Kposo), Kikuyu, Lingala, Luganda, Malagasy, Masaaba, Nyankole, Rukiga, Shona, Soga (Lusoga), Swahili, Yoruba.
WAXAL goes live today. Details at goo.gle/IntroducingWaxal.
Nigerian Communications Commission (NCC) has unveiled its Q4 2025 Network Performance Reports, showcasing nationwide quality boosts fueled by over $1 billion in industry investments and sharper regulatory focus.
NCC
Speaking at the launch, Dr. Aminu Maida, executive vice chairman, NCC, hailed the Ookla-backed data as proof of NCC’s drive for transparent, evidence-driven oversight of Nigeria’s digital growth.
The reports track real-user experiences across cities, villages, highways, and nascent 5G areas, revealing faster median download speeds in both urban and rural spots versus Q3 2025.
Video streaming quality gaps between city and countryside have shrunk, thanks to a beefed-up 4G network—yet 5G rollout lags, upload speeds falter, and coverage holes linger in spots.
Maida said NCC is leaning on operators to fix these via spectrum tweaks, infrastructure drives, and stricter service rules, with 2025’s 2,850 new sites already paying off in broader reach and capacity.
Operators pledge even bigger spends in 2026 to keep the momentum, aiming for top-tier connectivity and economic inclusion for all Nigerians.
“We’ll turn these insights into real gains in service and access,” Maida affirmed, calling for sustained industry teamwork.
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