Telecom
Attackers Exploit Stolen Session Cookies to Bypass Multi Factor Authentication and Gain Access to Corporate Resources – Sophos Report Reveals
Sophos, a global leader in next-generation cybersecurity, today announced in the Sophos X-Ops report, “Cookie stealing: the new perimeter bypass,” that active adversaries are increasingly exploiting stolen session cookies to bypass Multi-Factor Authentication (MFA) and gain access to corporate resources.
In some cases, the cookie theft itself is a highly targeted attack, with adversaries scraping cookie data from compromised systems within a network and using legitimate executable to disguise the malicious activity.
Once the attackers obtain access to corporate web-based and cloud resources using the cookies, they can use them for further exploitation such as business email compromise, social engineering to gain additional system access, and even modification of data or source code repositories.
“Over the past year, we’ve seen attackers increasingly turn to cookie theft to work around the growing adoption of MFA. Attackers are turning to new and improved versions of information stealing malware like Raccoon Stealer to simplify the process of obtaining authentication cookies, also known as access tokens,” said Sean Gallagher, principal threat researcher, Sophos. “If attackers have session cookies, they can move freely around a network, impersonating legitimate users.”
Session, or authentication, cookies are a particular type of cookie stored by a web browser when a user logs into web resources. If attackers obtain them, then they can conduct a “pass-the-cookie” attack whereby they inject the access token into a new web session, tricking the browser into believing it is the authenticated user and nullifying the need for authentication.
Since a token is also created and stored on a web browser when using MFA, this same attack can be used to bypass this additional layer of authentication.
Compounding the issue is that many legitimate web-based applications have long-lasting cookies that rarely or never expire; other cookies only expire if the user specifically logs out of the service.
Thanks to the malware-as-a-service industry, it’s getting easier for entry-level attackers to get involved in credential theft. For example, all they need to do is buy a copy of an information-stealing Trojan like Raccoon Stealer to collect data like passwords and cookies in bulk and then sell them on criminal marketplaces, including Genesis.
Other criminals on the attack chain, such as ransomware operators, can then buy this data and sift through it to leverage anything they deem useful for their attacks.
Conversely, in two of the recent incidents that Sophos investigated, attackers took a more targeted approach. In one case, the attackers spent months inside a target’s network gathering cookies from the Microsoft Edge browser.
The initial compromise occurred via an exploit kit, and then the attackers used a combination of Cobalt Strike and Meterpreter activity to abuse a legitimate compiler tool to scrape access tokens. In another case, the attackers used a legitimate Microsoft Visual Studio component to drop a malicious payload that scraped cookie files for a week.
“While historically we’ve seen bulk cookie theft, attackers are now taking a targeted and precise approach to cookie stealing. Because so much of the workplace has become web-based, there really is no end to the types of malicious activity attackers can carry out with stolen session cookies. They can tamper with cloud infrastructures, compromise business email, and convince other employees to download malware or even rewrite code for products. The only limitation is their own creativity,” said Gallagher.
“Complicating matters is that there is no easy fix. For example, services can shorten the lifespan of cookies, but that means users must re-authenticate more often, and, as attackers turn to legitimate applications to scrape cookies, companies need to combine malware detection with behavioral analysis.”
To learn more about session cookie theft and how adversaries are exploiting the technique to carry out malicious activity, read the full report, “Cookie Stealing: the new perimeter bypass,” on Sophos.com.
Nigerian Communications Commission (NCC) has blamed the actions of the National Oil and Gas Suppliers Association (NOGASA), for the recent telecom blackout experienced in the Abuja area.
NCC
A statement issued on Friday by the Head, Public Relations, NCC, Mrs. Nnenna Ukoha, while acknowledging the challenges and impact of the degraded Quality of Service (QoS) in the area on subscriber experience, stated: “The challenges are a result of the activities of the National Oil and Gas Suppliers Association (NOGASA), which disrupted diesel supplies to sites with the attendant telecommunications services outages in Abuja.”
She however disclosed that the telecommunications sector regulator is committed to ensuring restoration of seamless communication services to the affected area, and all Nigerians at large, and recognizes the importance of reliable power supply for the provision of optimal telecommunication services.
“The Commission is collaborating with major stakeholders and licensees to address these challenges, largely caused by disruption to diesel supply affecting IHS Nigeria Limited, the colocation provider responsible for powering Airtel and MTN base stations in the affected areas.
“The NCC is actively engaging with relevant stakeholders to address the diesel supply issues and explore sustainable solutions.
“The Commission urges all parties to work together to collaboratively resolve these challenges swiftly by removing the diesel supply bottlenecks affecting critical telecommunications infrastructure, arising from NOGASA’s actions.
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“In the face of these challenges, we reiterate our commitment to fostering a conducive environment for the growth and sustainability of telecommunications services in Nigeria.
“We are taking proactive steps to facilitate dialogues between the impacted service providers and other stakeholders to promptly resolve the diesel supply concerns that have negatively impacted service quality.”
While assuring that the Commission remains dedicated to effectively managing the situation and will keep the public updated on progress towards restoring full telecommunication services in Abuja, Mrs. Ukoha appreciated subscribers for their patience.
“We thank telecommunications subscribers for their understanding and patience during this period and reaffirm our commitment to delivering high-quality telecommunications services nationwide,” she said.
Mallam Kashifu Inuwa Abdullahi, Director-General of the National Information Technology Development Agency (NITDA), has called for a fundamental shift in Kano State’s economic strategy, urging stakeholders to embrace innovation, technology and collaboration as the drivers of growth in the 21st century.
Mallam Kashifu Inuwa Abdullahi, Director-General of the National Information Technology Development Agency (NITDA)
This is contained in a press statement e-authored by the Director of Corporate Communications & External Relations at NITDA, Hajia Hadiza Umar.
Speaking at the Kano Startup Weekend, Mallam Abdullahi acknowledged Kano’s long-standing reputation as the commercial nerve centre of Northern Nigeria and the wider Sahelian region, noting that its history of trade, enterprise and human capital provided a solid foundation for future growth.
Abdullahi emphasised that while these strengths powered Kano’s success for centuries, the modern economy now offered even greater opportunities through innovation and technology.
He described innovation as the process of transforming ideas into impactful solutions through commercialization, stressing that when ideas were effectively deployed, they created value, solved societal challenges and generated sustainable economic growth.
He noted that Kano’s large market, strategic location and vibrant entrepreneurial culture placed it in a strong position to take advantage of innovation-driven opportunities.
According to him, “Innovation is the process of taking an idea from inception to impact. Invention on its own is a cost centre, but when you commercialise an idea, when you turn it into a product or service that solves a real problem and creates value, that is when you begin to drive economic growth and inclusion.”
He noted that the state hosted numerous degree-awarding institutions across federal, state and private ownership, providing a strong base for human capital development.
However, the NITDA DG expressed concern that these institutions often operated in isolation from industry, with research outputs rarely translating into commercial or industrial applications.
He explained that innovation did not happen in silos and stressed the need for a strong, interconnected ecosystem that brought together academia, industry, startups, entrepreneurs and government.
According to him, universities should conduct research informed by industry needs, industries should leverage research to improve productivity and competitiveness, and startups should serve as the bridge that converted ideas into market-ready solutions.
The NITDA boss further encouraged entrepreneurs to leverage technology to build businesses that could grow beyond local markets, explaining that innovation-driven enterprises had the power to scale rapidly, create jobs and position Kano competitively at both national and global levels.
According to him, digital platforms and emerging technologies now made it easier for startups to reach wider markets and develop solutions that were previously unimaginable.
“You can start your business here in Kano, but your thinking must be global from day one. Technology has removed barriers. With the right skills and platforms, a startup in Kano can build solutions that serve not just Nigeria, but the world,” he noted.
Highlighting NITDA’s ongoing interventions, its Director-General outlined the Agency’s commitment to building national innovation capacity through targeted human capital development programmes.
He cited the Digital Literacy for All (DL4ALL) initiative, which aimed to equip Nigerians across all segments of society with essential digital skills, and the 3 Million Technical Talents (3MTT) programme, designed to produce a pipeline of globally competitive technical professionals in areas such as software development, data analysis and emerging technologies.
He said, “Through DL4ALL, we are ensuring that Nigerians at all levels have the basic digital skills needed to participate in the digital economy, while 3MTT is deliberately building a pipeline of globally competitive technical talents who can drive innovation, create jobs and attract investment.”
Abdullahi explained that these programmes were key pillars of President Bola Ahmed Tinubu’s Renewed Hope Agenda, which prioritised skills development, innovation, job creation and inclusive economic growth as pathways to national prosperity.
According to him, empowering Nigerians with digital and technical skills was essential for building a resilient economy capable of competing in the global digital landscape.
“President Tinubu’s Renewed Hope Agenda is about investing in people, empowering them with relevant skills and creating opportunities for inclusive growth.
“At NITDA, we are using digital skills and innovation as tools to translate that vision into real economic impact for Nigerians,” he said.
The NITDA boss urged all stakeholders in Kano to work together to build a functional innovation ecosystem that could unlock the state’s vast potential and expressed confidence that with the right mindset, strong collaboration and sustained investment in digital skills and innovation, Kano could reclaim its historic leadership role and emerge as a major innovation and entrepreneurship hub in Nigeria and beyond.
Bosun Tijani, minister of Communications, Innovation and Digital Economy, yesterday claimed that bandits and terrorists are able to communicate and coordinate their activities with ease because they exploit gaps in the country’s telecommunications network.
Bosun Tijani, minister of Communications, Innovation and Digital Economy,
Tijani, who spoke Politics Today, a Channels Television’s programme, on Friday, Tijani said the criminals exploit gaps in the country’s telecommunications network.
He also claimed the bandits use advanced technology to bounce calls across multiple towers in areas with poor connectivity.
“They weren’t using the normal towers; they bounced calls off multiple towers, which is why they favor areas that are largely unconnected,” he said.
When asked about reports that unregistered or fraudulently registered SIM cards are still in use despite the Bank Verification Number (BVN) and the National Identification Number (NIN)–Subscriber Identity Module linkage policies, Tijani said the issue is technically complex and the reports are not fully verified.
“Whether it’s fact or not, I do not know where you’re getting that from, and I do not know who has evidence that there are people with unregistered SIMs,” he added.
The minister stated that the federal government is investing in telecom towers in underserved regions, upgrading the country’s communication satellites to improve coverage, and expanding fiber-optic networks to strengthen the country’s digital infrastructure.
“If our towers are not working, our satellites will work. Nigeria is the only country in West Africa with communication satellites, and we are bringing new satellites to upgrade their capabilities,” Tijani said.
He added that these initiatives aim to ensure better connectivity for Nigerians while closing loopholes that criminals exploit, thereby enhancing national security.
The minister’s comments come amid rising concerns over insecurity in several parts of the North, where banditry, kidnapping, and terrorism have escalated in recent years.
There are also reports of bandits flaunting ransom payments on social media platforms such as TikTok, raising alarm among authorities and the public
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