Kaboul has seen his stock rise to a new high off the back of an ever-present Pompey campaign and a string of commanding performances.
Now Les Bleus are starting to wake up to the potential of the Fratton faithful's newest hero.
Perhaps a place at the heart of a defence of a side which is at the foot of the Premier League doesn't exactly seem like a ringing endorsement for international honours.
That, however, doesn't take into account the fact eight teams have conceded the same amount or more goals than Paul Hart's side.
And it certainly doesn't consider the evidence of a season of powerful, commanding and increasingly assured displays from the 23-year-old.
Talk about progress into Raymond Domenech's set-up is handled with a typical self-deprecating Gallic shrug from the man from Saint-Julien-en-Genevois, a small town on the Swiss border in South-east France.
For Kaboul there is only one blue which is sacred at the moment.
'The French national team has a squad and I will wait the time that I have to wait for them,' said a typically honest Kaboul as the rain poured down at Pompey's Eastleigh training base.
'I have to wait and see but, of course, if I can play for France I would be really happy.
'I don't play for France on the pitch, though. First I am at Portsmouth.
'When I play I just want the three points, maybe France come after that.
'I'm still young at 23, but the best is maybe 30 years.
'Maybe, the manager wants experienced players, but if I get the chance I will take it.
'For me now I need to concentrate with Pompey, try to get off the bottom and stay in the Premier League.'
Kaboul's hurtling progress could have arrived at just the right time for him, with the World Cup in South Africa on the horizon.
France have to negotiate the second leg of their play-off against the Republic of Ireland on Wednesday to make to next June's party.
Then Kaboul has the task off getting in front of a lengthy list of experienced and established players.
The likes of Jean-Alain Boumsong, William Gallas, Eric Abidal, Sebastien Squillaci and Phillipe Mexes stand in his way.
But his native country are fully aware of his talent, off the back of some Paul Hart cheerleading.
French technical director Gerard Houllier has been on the phone this week checking on his progress.
He got a glowing reference from Hart, a man who knows a thing or two about defending, and someone who questioned how someone of Kaboul's calibre has not made the international breakthrough.
Such faith has got Kaboul standing taller than ever.
'The gaffer thinks about me for France,' he said.
'I'm really pleased and just say thank you to him.
'He has said that Gerard Houllier has spoken to him.
'But I don't think about the World Cup. I think about what happens here.
'There are a lot of defenders in the French national team.
'I don't know if it is something I deserve or not.'
France remains very much at the forefront of Kaboul's mind when it comes to international commitments, despite the suggestion recently the former Auxerre man was considering a defection to Morocco despite captaining the French under-21 side.
There's only one nation on the Pompey defender's radar, and he is confident his time will come with them.
Kaboul said: 'I have never said I want to play for Morocco. I have never said I would play for them.
'I want to have my chance for France – and I believe.'
It's certainly been a tumultuous 16 months for Kaboul since Harry Redknapp tempted him to Pompey from Spurs.
Three managers have overseen his rollercoaster ride so far, but through all the upheaval there has been an undeniable development to the Frenchman's game.
Despite all the uncertainty, he believes he has found a place he can call home on the south coast.
'I always say I'm happy and pleased to be here,' Kaboul said.
'I'm happy to work with everyone here. Everyone is very simple and relaxed.
'It's the same as Auxerre, it's a very family-like club.
'Maybe it's different than Spurs in London and a bit of pressure there maybe.
'It's more relaxed and pure. I'm comfortable here, although sometimes it's boring! But I have a lot of friends and I'm very happy. I can always stay at home and watch French TV!
'I'm very happy to be here, though.'
The parameters have been well and truly set when it comes to what Pompey are hoping to achieve this season.
Kaboul is certain the support which has well and truly bowled him over since he arrived at the club can play a huge part in achieving that ambition.
He said: 'Despite the situation of the club and the trouble that has happened, the supporters are always here behind us.
'That is amazing. You would never see that in France, for example. They are never down.
'If a team is at the bottom, they don't care if they go down. They think it is okay.
'But here they keep going – and that helps us a lot. A lot.
'You know they will follow you and that gives you a boost.
'It helps make pressure for the other team because they push for you.
'It can push them into mistakes and helps. It makes a big difference.'
