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The Case of Simultaneous, Short Duration DDoS Attacks

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Over the last decade, DDoS attacks have proliferated, possibly becoming the primary threat for every website or web application.

The ultimate goal is to bring down sites by flooding them with fake requests, usually from multiple locations. The outcome of such attacks ranges from slow page loads to blocking legitimate traffic.

Among the thousands of DDoS attacks that happen every day, you’ll find attacks that last a number of days, as opposed to short-duration attacks that only take a few minutes for attackers to coordinate and launch at a time.

These attacks are becoming much more commonplace, whether the goal is to take a site down or if they’re used as a smokescreen to divert site owners’ attention.

In this article, I would like to share our real life experience with short-duration DDoS attacks, addressing what happens when this type of attack targets multiple sites simultaneously.

5 Short Attacks in 3 Days
We recently witnessed a three day, continuous attack that targeted two domains of a well-known bank.

On the first day, the bank suffered a significant volumetric attack that lasted five to six minutes, but consumed bandwidth at a rate of dozens of gigabytes per second.

Another attack, that lasted fifteen minutes, took place on the second day, targeting the second domain of the bank. On the third day, the same domain that was targeted the previous day was hit with a long duration attack.

We could see that the first and second attacks were reconnaissance attacks, executed to evaluate which of the two domains was more vulnerable. It is clear that the second domain was more susceptible since it was hit much harder in the third attack.

In parallel, we detected that there was another short-duration spike attack that targeted one of our Telco customers.

Just two hours later, there was another attack against a large utility organization. Because of this pattern, we were able to identify that all three attacks were performed by the same attacker and could warn and better protect our customers against further attacks.

Comparing the volume of bandwidth we’ve encountered on the first day of the attacks, to a DDoS attack’s average peak size of 7.39 Gbps, as reported by SCMagazine, we can see that short-duration attacks use large volumes of traffic in short, shotgun-like bursts.

Attackers leverage these short-duration attacks to evaluate which companies and organizations are easiest to infiltrate.

We assume that this also has to do with the availability of resources. These types of attacks are more likely to come from smaller, private groups that are shorter on resources, as opposed to criminal groups or countries which have access to unlimited resources and can therefore launch long-duration attacks from day-one.

Here’s what we’ve seen over time:

Mitigation
When it comes to short-burst attacks, time is of the essence. Attacks are likely to go under the radar and leave no time to respond.

Organizations managing multiple web domains must have the ability to centralize incoming data, preferably by working with the same security vendor across all their domains.

This enables them to predict attacks by analyzing trends and patterns across their sites. Organizations should demand this capability from their security vendors, who should also be willing to use data from various customers in order to predict potential attacks on other customers, as described in the above case study.

We see a growing number of short duration attacks across our customer base. Awareness to this new pattern is key: customers typically assume that the attack is over, while this may actually be a sign for a much larger attack coming through.

In light of this new pattern using services and tools that can aggregate attack information across customers and websites is an ideal way to predict and avoid the massive DDoS attacks about to come.

Yariv Hazony is VP Product at Sentrix, which provides protection against DDOS and other attacks against web applications, www.sentrix.com


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E-Business

NITDA, API Partner Against Harmful Online Content

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National Information Technology Development Agency (NITDA), in partnership with the Advocacy for Policy and Innovation (API), has convened a one-day workshop in Abuja to advance dialogue on the draft Online Harm Protection (OHP) Bill to confront harmful online content.

NITDA, API Partner Against Harmful Online Content

The bill, a rights-based, locally rooted, and multi-stakeholder initiative, is aimed at addressing the challenges of the digital age.

The event, which held yesterday, brought together government officials, civil society, academics, digital platforms, and legal experts to shape a policy framework designed to combat online ills such as cyberbullying, disinformation, hate speech, digital exploitation, and gender-based violence, while safeguarding democratic freedoms and digital inclusion.

In his keynote remarks, Kashifu Inuwa, director general, NITDA urged a paradigm shift in the way society engages with digital technologies.

“For almost two decades, we have viewed digital technology through a consumer lens. But these technologies are not just products and services. They are transforming how we live, work, and interact. They shape our politics, our society, and our democracy,” he said.

Warning against unaccountable digital power in the hands of private corporations, the DG likened the digital journey to the tale of Alice in Wonderland, where initial fascination with innovation has given way to deeper concerns about privacy, autonomy, and manipulation by big tech platforms.

“We thought we were using Google, but now we realise Google is using us. Social media, once a tool of expression, has become a tool of surveillance and influence,” Inuwa noted.

He, therefore, emphasised the urgency of developing a democratic and accountable framework.  He explained that following the 2021 Twitter ban, NITDA facilitated dialogue between the government and platform operators, leading to a Code of Practice that stressed Nigeria’s sovereignty and legal standards.

According to him, the same process birthed the multi-stakeholder steering committee and the OHP White Paper in December 2024, laying the foundation for the current legislative push.

Earlier in her opening remarks,  Victoria Manya, co-founder, API, observed the moral and civic necessity of the bill.

Her words: “The internet did not break society, it merely revealed its unfiltered version. Every day, Nigerians are exposed to harassment, disinformation, exploitation, and even algorithmic violence. The OHP Bill is not a war on the Internet. It is a peace offering to its users, a social contract for a digital future that is safe, inclusive, and democratic.

“We cannot answer the question of algorithmic power with unchecked state control. We must answer it with shared, rights-based governance. This bill must not be written for the people, but with them.”


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How AI Alert by Airtel is Transforming Mobile Security in Africa

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These days, people rely heavily on their mobile phones for talking, texting, banking, social media, and storing important personal information. Because of this, scammers and spammers often target phone users.

Mobile fraud, like fake SMS messages and scams, is becoming more common and putting millions at risk of losing money or having their private details stolen.

Airtel’s new AI-powered Spam Alert Service offers a smart and timely way to fight back, marking a major step forward in protecting mobile users in Africa.

A brief look at mobile fraud and spam

Mobile fraud and spam are problems around the world, but they hit harder in places where mobile phone use is growing fast, and safety measures haven’t caught up.

A 2024 report from GSMA Mobile Economy shows that more than 20% of mobile users globally have experienced some kind of mobile fraud, with spam texts being one of the most common.

In Nigeria, the Nigerian Communications Commission (NCC) has noted a sharp rise in scam messages and fake calls, leading to yearly losses in the hundreds of millions of dollars.

These spam texts often include fake links, harmful ads, or tricks to steal personal details. Many people get caught without knowing, which can lead to stolen bank money, identity theft, or damaged devices.

Older spam blockers only work on certain phones or apps, leaving many people, especially those using basic phones, without protection.

Why Airtel’s AI Spam Alert Service stands out

Airtel, a top telecom company in Africa, has launched a new and free service called the AI Spam Alert Service. It’s the first of its kind in Africa and aims to protect mobile users from spam text messages as they come in.

What makes this service different is that it doesn’t read or check the actual message content. Instead, it uses advanced artificial intelligence to quickly study the sender’s behaviour using over 250 signs or patterns, all within a fraction of a second.

Some of those parameters, according to Airtel, includes:

  • How frequently the sender changes SIM cards.
  • The volume and frequency of messages sent by the message initiator to different recipients.
  • The geographical spread of the recipient numbers, whether messages are targeted locally or dispersed nationwide.
  • Whether the sender receives replies or only sends messages.
  • A cross-reference of numbers previously reported for spam activity.

The AI completes this analysis in just 2 milliseconds, faster than the blink of an eye, allowing real-time alerts to subscribers as suspected spam messages arrive.

How Airtel’s Spam Alert Service improves mobile safety and trust

Airtel’s new AI-powered spam alert system is set to make a big difference in mobile security across Nigeria and the rest of Africa. Instead of depending on users to block spam themselves, the service works directly through the network to stop suspicious messages before they reach people’s phones.

This kind of technology helps users feel safer and more confident using mobile networks—especially as more people rely on their phones for banking and other money-related services.

A 2025 report by McKinsey Digital shows that many Africans worry about mobile security when using digital financial tools. By reducing the risk of spam and fraud, Airtel is not only protecting its users but also helping to build a safer digital space where more people can take part in the growing mobile economy.

According to Airtel, within two months of its launch, the spam alert service system has identified 9,667,008 messages as potential spam.

Why this is a game changer

By building a service that is first-of-its-kind in Africa, Airtel is leading the way in offering spam alerts, powered by AI directly on its network, for over 150 million subscribers across the continent.

In addition, the service is quick, spotting suspicious sender activity in just milliseconds without reading users’ messages.

Finally, the service is free and requires no app downloads or extra setup. Airtel says the turns on automatically, making it easy for everyone to stay protected, even those using basic phones.

By sending signals to users before problems happen, Airtel boosts trust and encourages more people to safely use mobile money and other digital services.

Scammers are always finding new ways to trick consumers through the ubiquitous mobile phones, so increased demand for security improvements is, understandably, shifting to telecom companies.

Airtel’s AI Spam Alert Service is a strong and timely move toward better, smarter protection for users. As more people start using the service, it should help cut down fraud, keep personal information safe, and make mobile use more enjoyable.

As African economies continue to grow more digital, users of telecom services will need more secure and reliable ways to communicate, and Airtel is leading the way towards that safe future.

 


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Microsoft Server Hack Likely Solo Actor, Thousands at Risk

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A widespread cyberattack targeting Microsoft’s (MSFT.O) server software used by thousands of government agencies and businesses for internal document sharing was likely orchestrated by a single actor, a cybersecurity researcher said on Monday.

Microsoft Server Hack Likely Solo Actor, Thousands at Risk

Microsoft issued an alert on Saturday warning of “active attacks” on on-premise SharePoint servers.

The company clarified that SharePoint Online, part of the Microsoft 365 cloud suite, was not affected by the exploit, which is considered a “zero-day” vulnerability due to its previously undiscovered nature.

“Based on the consistency of the tradecraft seen across observed attacks, the campaign launched on Friday appears to be a single actor. However, it’s possible that this will quickly change,” Rafe Pilling, director of Threat Intelligence at Sophos, a British cybersecurity firm.

That tradecraft included the sending of the same digital payload to multiple targets, Pilling added.

Microsoft said it had “provided security updates and encourages customers to install them,” a company spokesperson said in an emailed statement.

It was not clear who was behind the ongoing hack. The FBI said on Sunday it was aware of the attacks and was working closely with its federal and private-sector partners, but offered no other details.

Britain’s National Cyber Security Centre did not immediately respond to a request for comment.

The Washington Post said unidentified actors in the past few days had exploited a flaw to launch an attack that targeted U.S. and international agencies and businesses.

According to data from Shodan, a search engine that helps to identify internet-linked equipment, over 8,000 servers online could theoretically have already been compromised by hackers.

Those servers include major industrial firms, banks, auditors, healthcare companies, and several U.S. state-level and international government entities.

“The SharePoint incident appears to have created a broad level of compromise across a range of servers globally,” said Daniel Card of British cybersecurity consultancy, PwnDefend.

“Taking an assumed breach approach is wise, and it’s also important to understand that just applying the patch isn’t all that is required here.”


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